What is elevated idle on a duramax. Dec 25, 2009 · I have a 2007.

What is elevated idle on a duramax. Oct 10, 2008 · I live in the cold weather and wondered if there was anyway to set a high idle on the 03's. This would be the high idle option that involves setting the parking brake and using the cruise control. 5 stock file and that fixed it. Everyone from around here with the exact same truck as mine has the elevated idle in there dash and i do not have that. When that happens and you shut your Elevated Idle - This is a standard feature on all 6. Last weekend I put a 5" magnaflow turbo back dpf delete exhaust on it and a custom tune with EFILive and it keeps defaulting to "off". Jan 28, 2021 · This supposed to be the elevated idle parameters- Elevated Idle When turned on, the engine has a cold temperature high idle feature which elevates the engine idle speed from base idle to 1050 rpm for pickup models or 1200 rpm for van models when outside temperatures are below 32°F, and the engine coolant temperature is below 150°F. It is important because it can improve efficiency, reduce wear and tear on the engine, and save time. I sent my tunes to my tuner and along with my 07. Apr 16, 2014 · Even the Duramax supplement to the owners manual makes that clear. Dec 12, 2019 · Elevated idle can be turned on & off. Nov 20, 2008 · I use the elevated idle option because it automatically comes on with remote start. been to the dealer with no success. Dec 19, 2014 · "Elevated idle" is an engine warmp up feature that utilizes turbo vane positioning, transmission hydraulics, and altered fuel volume and timing to warm up a cold, recently started, duramax. 2006 2500HD CCSB 4X4 RED LBZ Spray-In Bed Liner, Air Bags Custom Reese 20K slider FWH/Gooseneck hitch 265/75/16 Michelin LTX AT2's on PYO's Mar 20, 2011 · Are you sure your truck has the "high idle switch" option? My 08' has the elevated idle and the high idle. " FAST IDLE (This is an added option, not standard on all trucks. Thanks Nov 14, 2004 · Due to popular demand here are some pictures and notes of the manual high idle installation on my LLY. The 2001-2004 Duramax has two or three high idle speeds available, 800 rpm, 1200 rpm and 1800 rpm. I figured out how to turn it on by scrolling through to "elevated idle" and selecting on. I know its just to increase idle to 1200 to run accessories or when jumping another vehiclethis is different than elevated temp for cold temps is it worth it? thanks Nov 15, 2017 · Elevated Idle Is a standard option on all 6. Nov 11, 2012 · Elevated idle is when the engine revs up automatically when it is cold. Here is what is need to do for the "Manual High Idle" function to work on the '06 and '07 LBZ engines Location of the ECM - the ECM is just below and under the upper radiator hose in the pictures You Feb 1, 2007 · Also, I have the Edge programmer w/ a Turbo timer on it. Dont think its normal. Oct 12, 2010 · Another complaint/question here. 5" Stainless tip, 305 70 16 Toyo Open Country MT's, PPE Airbox Mod, Kitty Delete Pipe, Superchip Flashpaq #2805 set on "Performance" mode! Oct 5, 2020 · The elevated idle that you can turn on or off in the DIC is for faster warm up in cooler temperatures. Read the owners manual and followed the procedure to the letter and still nothing. Dec 21, 2024 · There is a lot of opposing views on if it's okay to idle your duramax. I and at the point where I think it Sep 25, 2016 · Hey guys, brand new and first post to the forum. Nov 27, 2007 · 07 Duramax elevated idle The elevated idle feature can be turned on or off using the DIC sterring wheel control buttons. Thanks Nov 1, 2017 · This is from the 2018 duramax supplement: Elevated Idle The engine has a cold temperature high idle feature which elevates the engine idle speed from base idle to 1050 to 1100 rpm for pickup models or 1200 rpm for van models when outside temperatures are below 0 °C (32 °F), and the engine coolant temperature is below 65 °C (150 °F). Sep 1, 2014 · There are 2 types of High Idle. I know for the high idle or fast idle (not the elevated idle) there was an Jan 3, 2025 · Hello, I'm unsure if this is the area to ask this. Change in idle speed is normal and does not indicate a problem. thoughts if this is the way to go or stick with the gasser? Feb 1, 2022 · Mic I think you have "elevated idle" which most all have from the factory confused with "high idle". 5 or not) Denali diesel and of course the sales "specialist" said he's been selling these for years and would know if it had a high idle option. Nov 30, 2013 · Manual High Idle Speed Enable and Disable To enable or disable the manual high idle system perform the following procedure: Turn the ignition ON, with the engine OFF. This is a quick video, explaining, elevated idle, high idle, the differences between the two, and how to use them. Once I figure out how the heck to turn on this stupid high idle, will the high idle kick in if its below the 150 degree mark and the turbo timer is running? (Engine key is in Off position). Release the accelerator pedal. This occurs very randomly. While the accelerator pedal is depressed, depress the brake pedal 3 times in less than 8 seconds. I wonder if the brake pedal switch is acting up not telling it to come out of elevated idle. Well, I think that I have gotten to the bottom of the issue. Turning the switch to "standby" will bump the idle to 850rpm. Are you the first owner? To enable or disable the high idle system perform the following procedure: Turn the ignition ON with the engine OFF. My 2016 Duramax canyon worked the same way. :helpHave a high idle problem. Sep 4, 2023 · Is there anyway to turn on high idle when the truck is running? I know when i use my remote start it will idle higher, but i cant seem to figure out how to do it while running. If I turn the truck on and go through the DIC and select on it will Oct 3, 2011 · LMM did not have the high idle switch option (used via the cruise buttons at idle at any engine temp). This can be useful in cold weather conditions or when you need to run accessories while the truck is stationary. Even after driving. The highest it will go is 1200 RPM, and it's controlled with the cruise control buttons. Brian Sep 6, 2017 · I recently bought a new duramax, had a couple prior to this one but figured I would give it a shot. Jan 18, 2016 · Hi Just wondering if a high idle switch is worth the 250 $. There's a lot of piston slap going on at the low "base idle" speed. Dec 18, 2020 · Without elevated idle selected none of this occurs , except initial start up it will idle at 700 for a few seconds and ramp down to 600. Oct 11, 2009 · Who with an LLY has elevated idle. 2021 Sierra Denali 3. I flashed in my original file without the fast idle but changed the GMLAN Fast Idle to enable (all I figured I had to do) however after the flash the fast idle ceased to work. 5, or am i missing something on my truck? Aug 8, 2013 · Are there different levels of elevated idle? On my LML it does not have to be anywhere near freezing for me to get an elevated idle on cold starts. High idle is just the engine freewheeling mostly used for pto applications, it helps with warmup but Elevated is much better. My elevated idle sucks. Idles at 1200 RPM. This feature enhances heater performance by raising the engine coolant temperature faster. permanently turned on through the DIC or through the pedals as previously mentioned. It is bad for diesels to run at low idle for long periods of time. In conjunction with the cruise control switches, the operator may select different RPMs for fast idle. 6 Max. That is what is not working. Have a 2016 2500 duramax ltz with just under 5,000 miles. High idle is set as described above. e But is it fine to idle a pre emission diesel? Thoughts? Feb 24, 2017 · The 'Elevated Idle' thing (for cold starts) is standard on the dmax. A friend of mine bought a truck owned by a welder, who let it idle all the time day in day out. We dont have DIC so you have to do it with the brake and gas pedals. ) (Standard on trucks with PTO. I made sure that this truck had the elevated idle function and have never been able to make it work. What manual do you have? Jun 7, 2013 · Just crossed 3000 miles on my new 2013 Chevy 2500HD. 0L Duramax high idle? Bet you don't know the truth! In this video, Publisher Tim Esterdahl shares the offic Oct 11, 2007 · Ok guys. I am in the middle of installing an Ignition Override with High Idle on mine, which will allow me to push a button, that will raise the idle and Nov 16, 2011 · High idle is completely different, it is set manually using the cruise control and is a $200 option. Why is this should i have it because i would love to have it if that is possible. Here’s a quick video on how to enable the high idle feature on the Duramax diesel HD trucks from GM. Oct 12, 2024 · What Duramax has standard is a feature called 'elevated idle'. It has been in the shop about 3 times now in regards to high urea usage and for 2 sensors. Oct 12, 2010 · The main purpose of High Idle is to allow the truck to run for periods longer than 5 min without causing excess engine wear. I started the truck and after running for about 15 seconds it jumped in RPM about 1 line on the tac then it went back to the steady idle it was at almost instantly. Thanks in advance. In this summer heat, sometimes I let my L5P idle with the A/C running for up to 20, 30 Jan 18, 2018 · First of all, I'm new to the forums. The LML will not regen at idle, priod. 6L Diesel Engines, which elevates the engine idle speed from base idle to 1050 RPMs when outside temperatures are below 32°F (0°C) and the engine coolant temperature is below 150°F (65°C). 5 and up have an override to do this. Depending on your year it may have "elevated idle" which raises the idle automatically to help the engine warm up faster. This feature can be Aug 31, 2011 · Elevated idle changes the turbo vanes to put a slight load on the engine to speed warm-up times. e. See page 9-4 of the Duramax engine supplement here and it will state all of this. It is a on/off switch controlled feature. 6 Liter diesel. There is a two wire harness plugged into the CP3, either a bad connection there or somewhere else in the harness would be my guess. The same ECM terminal C1-71 is used for the high idle feature. Thanks in Advance. The operation is the same if you have a GMC Sierra. My question is if this option is not on a similar truck can I still get elevated idle to work through the DIC?? My 08 has elevated idle and its Nov 29, 2021 · Elevated Idle The engine has a cold temperature high idle feature which elevates the engine idle speed from base idle to 1050 to 1100 rpm for pickup models or 1200 rpm for van models when outside temperatures are below 0 °C (32 °F), and the engine coolant temperature is below 65 °C (150 °F). Mar 20, 2007 · That explanation is right out of the Duramax manual for the LMM under the section "Elevated Idle". Jul 22, 2022 · When I head to site it’s an hour drive each way and when on site it’s 20km/h speed limits and idle time is high due to using the plug in the box for work. I am experiencing currently a high idle approximately every 100 miles Jul 10, 2017 · First time Duramax owner for a month, so I want to ask the experts. Operation is simple using only your cruise switch, no extra switches to mount or hide in your truck and features fool proof operation. Dec 25, 2009 · I have a 2007. Feb 25, 2012 · Elevated idle is coming on with a hot engine or cold engine? If cold then I say thats normal if elevated idle is on. We use the PTO function of the ECM to allow us to set the idle up to 1150 RPM or 1700 RPM. Apr 12, 2017 · Elevated idle doesn't kick on until the engine is sufficiently warm enough to safely raise the RPMs. I’m not really familiar with the 3. I love the truck and I am trying to learn what is normal for this specific engine. My truck was purchased new and currently has 3800 miles on it. Was this a option from chevy or did they just not do that on 2007. Elevated idle kicks in when the outside temp is 32F or below, & engine coolant temp is 150F or below. When this feature is enabled, outside temp must be below 32F & engine coolant below 150F in order for it to go into Elevated Idle 2017 Duramax won’t high idle Just purchased a used 2017 Chevy 2500HD diesel. Elevated Idle is used to help warm the truck up faster in cold weather. How long did you let the truck idle for? I have my elevated idle tuned on my truck and it has yet to turn on this year as well. Normal conditions that can raise idle speed are low voltage, DPF regeneration, air conditioning compressor loads, and engine warmup. Dec 12, 2014 · And the cruise control/PTO/high idle switches are wired up the "old" way too. How to check and turn on elevated idle in a 2008 to 2013 Chevy Duramax 6. A cool engine is more prone to unburned diesel getting into crankcase. Does it work good? Has anyone ever tried it? Jan 18, 2016 · Hey guys, i turned the elevated idle option on when i first bought the truck (koeo full throttle press brake 3 times) and i put an aftermarket remote start in it. Fast Idle requires hard-wiring into the Powertrain Control Module (PCM) and the use of a momentary type switch. Jan 10, 2016 · So my 2011 LML won't stay in elevated idle mode. Sometimes in the morning, sometimes in the middle of the day, after the engine is warm. I know its some manuvering with the brake and gas pedal, I just dont remember what. Nov 11, 2018 · Elevated idle is a different feature than the high idle (sometimes called fast idle) that the op is asking about. Any info? Jul 5, 2018 · The engine has a cold temperature high idle feature which elevates the engine idle speed from base idle to 1050 to 1100 rpm for pickup models or 1200 rpm for van models when outside temperatures are below 0 °C (32 °F), and the engine coolant temperature is below 65 °C (150 °F). regulator 1 takes over at 1800+ rpm. The warm-up, A/C, and jumping abilities are just bonuses. I have a Lmm duramax swap that I am having high fuel rail pressure at idle 12-18k. When hooked to a 12v source, the high idle can be controlled from the cruise control switch. I live in Canada and the snow is going to start flying soon eh! Ha. Unless you live in extreme cold climate i would suggest not worrying. Elevated idle is a feature that only operates if ambient temp is low enough, and it is tuned to be inefficient and to create heat for the cooling system AND for the transmission. Note: May not work if you have a tune installed in the truckWill not work with the medium duty trucks as there is a built in High Idle alreadyFull manual control of the elevated idle on your Duramax truck is possible with our High Idle Kit. Its a common concern with lml duramax's, I get one every other month or so. This is for a GMC Sierra 2500 or 3500 and the Chevy Silverado 2500 or 3500. A 7mm bolt retains each of the two connectors to Intermittent high idle in the Silverado 2500HD can stem from a malfunctioning Idle Air Control (IAC) valve or a dirty throttle body causing erratic airflow. With that said, I have a question about my 2016 Chevy Silverado 6. This is used to help warm the truck up. This will move almost 160* and you can Do you know about the 2023 Chevy Silverado 1500 3. 0L Duramax - Long time idling Little backstory, I do from 200 to 400 miles a day for work on a few days a week between various locations (Oil & Gas and farming), and while I'm at a location I'll let the vehicle idle the entire time, varies from 15 minutes to an hour. Yes , high idle can be added any time at the dealer . Some co-workers mentioned that I should put my truck into high idle mode while idling? During work Jun 25, 2022 · I am new to the diesel world and I’m looking for alittle help. ” The elevated idle is the feature which automatically ELEVATES the idle based on the outside temperature, not as high as the high idle option. Elevated idle is set using the cruise control buttons. The ECM is easy to access and does not require removal of the TCM. Once I put the truck into reverse or drive it goes back to Dec 26, 2017 · Somehow I managed to set my truck on high idle, now I can't figure out how to get it back to low idle. The 'high idle' thing, operated for running accessories faster (rather than for rapid heat up) is optional. Its not been cold enough to try it yet. 5-2019 GM 6. The fast idle is disabled Dec 28, 2010 · How do i turn the high idle for cold starts off, I dont like it. Any info would be nice thanks BD High Idle Kit for 2001-2004 LB7 Duramax (Cruise Control). I promptly pulled up the above YouTube video I had Nov 3, 2020 · Elevated Idle The engine has a cold temperature high idle feature which elevates the engine idle speed from base idle to 1050 to 1100 rpm when outside temperatures are below 0 °C (32 °F), and the engine coolant temperature is below 65 °C (150 °F). To operate the high idle, the engine must be running, transmission in park (or neutral for manual trans), foot off of the brake and parking brake set. I have a 2004 lb7 no emission stuff. This is a 2011 option. Depress the accelerator pedal to the floor and hold down. The high idle is activated using cruise buttons, great for cold days keeping truck at op temp or idle regen. I first noticed it at the start of winter when It cold starts and takes forever to warm up. The vehicle speed is Dec 1, 2015 · High idle is a $200 option, elevated idle what they all have. This system allows the engine control module (ECM) to increase the idle speed above the normal calibrated value. Quick and easy install, the High Idle switch mounts on the dashboard and plugs in under the dash. Mine is also missing an elevated idle setting. I know that the 04. The manual idle switch can be activated when hot or cold and is activated with cruise control switches on steering wheel. I was out of town for 4 days and my truck sat in -30 or colder 3. com Google Mar 3, 2010 · I copied this from Diesel Place. This is standard on all Silverado HDs. So I called one of my local dealers today and Oct 21, 2011 · Elevated Idle The engine has a cold temperature high idle feature which elevates the engine idle speed from base idle to 1050 rpm for pickup models or 1200 rpm for van models when outside temperatures are below 0°C (32°F), and the engine coolant temperature is below 65°C (150°F). Sep 22, 2011 · Automatic Elevated Idle that comes factory on the LBZ and I think LLY trucks in nice, but only intended to help speed engine warm-up in cold weather. The idle does not reduce when the truck is put into gear, which makes it a little difficult This high idle kit allows the operator to enable the high idle programming within the Duramax ECM. Elevated Idle is a standard feature on LLY & up Dmaxes. I have the elevated idle option turned on through the infotainment unit, and when I try to activate it with the cruise control switch nothing happens. Now the elevated idle wont work, which is defeating the purpose of the remote start. It'll be my first GMC HD. If your vehyicle is noe equipped with the DIC steering wheel controls do the following: 1. It also did it Mar 7, 2014 · Theres 2 types of " High Idle. This feature can be The actual high idle is for pto operation for trucks that have accessories like tow truck, dump bed, etc. 2024 Gm GMC Chevy Chevrolet High Country LT Nov 29, 2018 · I have a 2007 LBZ that currently has 208k. On the GM upfitter's web page, they've got technical bulletin 82h, which is for "Fast Idle (RPO UF3)". anybody have an answers!?! May 18, 2012 · Hello all. I have put two cp3 pumps in and three pressure regulator and a new fuel rail pressure sensor and still no changes. This is not a standard feature on all trucks. 0 Duramax purchased 1-21-2022. The vans didnt go to the GMT-900 electrical architecture with full GMLAN until 2008 Now if I go with the Tech 2 and build the vehicle as a 2007 Express van LMM and monitor cruise control/PTO data, the parameters change accordingly when I apply +12v to the various Nov 7, 2011 · High idle is an option that was available when you bought the truck, and it is used for PTO accessories. Dec 8, 2023 · Elevated idle in a Duramax diesel truck is a feature that allows your truck to idle at a higher RPM than normal. Elevated, that all Duramax's have (at least since 06, maybe earlier) is a warm up routine that only works when cold. There is a lever tab on the bottom of the connector that must be pulled up and towrads the fire wall. Dec 26, 2015 · Idle will also be high if fuel pressure is too high. But my 07 LBZ has had elevated high idle turned on for years with no issues. 6L Diesel Engines, which elevates the engine idle speed from base idle to 1050 rpms when outside temperatures are below 32°F (0°C) and the engine coolant temperature is below 150°F (65°C). Apr 27, 2024 · Elevated and "High" idle are not the same thing. Is there a way to have the factory fast idle, if so, how and what parts will I need. Ready-Lift leveling kit set at 25 1/2" hub to fender, Stainless steps, Rhino Bedliner, toolbox, and Hide-A-Hitch gooseneck hitch. Jan 27, 2015 · regulator 2 the response about graphing the regulator for spikes is spot on. Start Nov 14, 2023 · For 2023, in the list of options when you are building a truck, there is the option for a "High idle switch". The feature disables when the engine coolant is sufficiently warm. After the Required Enable Conditions above have been met, you can engage Fast Idle by pressing and releasing the Cruise Control “SET” switch to achieve the single preset fast idle speed of 1000* or 1200* rpm *depending on vehicle model, year and engine application Oct 11, 2012 · The elevated idle is the feature which automatically ELEVATES the idle based on the outside temperature, not as high as the high idle option. The diesel engine has a high idle system to improve the warm-up time of the engine in cold weather conditions. The rail pressure is high- idle around 5k. I’m curious, with the regulator unplugged does the ECU have any means to reduce the pressure? Duramax diesel LMM, LLY, LBZ, LML high idle how tohigh idle switch, elevated idle. When I pull out the key the motor runs for ~1 min afterwords. It's somewhat like an Nov 7, 2018 · Engine Idle Variations Under certain conditions the engine idle speed can vary or be elevated. Anyone know how to use this additional option from the factory? Mar 8, 2011 · The LML also has a high idle idle switch as an option. Idles 1050 RPM. Turn on your High Idle Switch for the 2021 2022 2023 Chevrolet and GMC Duramax L5P. The customer got the update to both the ECM and BCM and it was working. The biggest issue occurring however is the high idle during the regen process. Once I do that, the next start up after that it will work 2001-2004 LB7 Fast Idle Instructions Fast Idle provides an elevated engine speed control to one setting. When it is cold enough, instead of elevating to the correct RPM and staying there, it revs, like someone is Jan 22, 2009 · On my 2008 LMM I have elevated idle, but no fast idle. 2015 SLT CCSB Summit White on Jet Black sunroof/rear slider/driver alert/ cooled/heated leather/nav/ telescope/tilt Mar 16, 2025 · Ever wondered what your rig's diesel high idle switch is for and under what conditions you should use it? Let's talk about diesel high idle! Jun 3, 2024 · It is my understanding from this forum that I can have the high idle “activated“ in my ‘24 Duramax if I go to the dealer and pay about $300. Nov 12, 2002 · More experience is necessary to verify high idle operation on the 2003 Duramax vehicles. I never shut the truck off, just let it idle the entire time I'm there. driving, to a max of 26k. It bumps the idle to 1050 rpm. Nov 20, 2012 · high idle feature which elevates the engine idle speed from base idle to 1050 rpm for pickup models or 1200 rpm for van models when outside temperatures are below 0°C (32°F), and the engine coolant temperature is below 65°C (150°F). Jan 1, 2011 · I have a 2011 Chevy 2500 duramax and I have searched and searched on this topic. How to reset fuel life monitor? How to reset oil life monitor? This is a quick video on a 2011 LML GMC Duramax Mar 23, 2024 · It has some weird idle inconsistencies, but I don’t think it’s the high pressure lope. 6 Duramax diesel (LT) FYI, This is also the first diesel truck that I've ever owned. The rotating switch allows for adjustable high idle speeds - 900 / 1200 Jun 6, 2011 · I have a 2011 HD 2500 6. Dec 29, 2011 · Elevated idle and manual idle switch are BOTH OEM. Could it be the truck computer got a glitch in it or what. These speeds can range from approximately 600 to 1000 rpm. Is the high idle switch option needed for the duramax to idle high during cold starts? Or is cold start high idle a standard feature, and the switch option just an on demand option to increase output from the alternators to power other Oct 14, 2023 · That sounds like your elevated idle has been set by someone. Should this be a deal breaker and I stick with gas, or is there something like a higher RPM idle mode or DEF-like additive? Mar 7, 2009 · Here is what is need to do for the "Manual High Idle" function to work on the '06 and '07 LBZ engines Location of the ECM - the ECM is just below and under the upper radiator hose in the pictures You have to remove the lower electrical connector first. 6 Jan 16, 2016 · Mine will high idle even at a start around 50 degrees up to 1000 rpms. Warm up your engine faster on cold mornings with BD Diesel's High Idle Kit. OH and I am assuming you are talking about a LML since that is the section you posted in. I traded my 18 canyon duramax in last December for a 2021 1500 elevation. 6 Diesel. 0 Duramax or Dodge 3. If one knows they will need to idle frequently, they either need to have the fast idle control step up option as part of their pickup, or get one installed from the dealer. Aug 21, 2007 · The High Idle Switch, also known as the "Fast Idle System With Switch" in the manual, is described on page 2-25 of my 2008 Silverado manual. 00 option. It can be turned on or off, please refer to the ′′Duramax Diesel Jun 20, 2018 · Thank you guys for watching if you have any question you can DM me on instagram @duramaxking2500Edge CTS2: https://amzn. Easy to install, 800/1200/1800 RPM options. 3 Jun 20, 2024 · About to purchase a 2024 HD AT4. UPDATED INFORMATION: Owners have reported successful installation of the high idle feature on MY 2003 Duramax equipped 2500HD/3500 pickup trucks using these instructions without any modifications. I can't find anything in the DIC or anywhere else for that matter, including the manual that deals with Elevated Idle. It is not to be used if any hydraulic application is intended. 0 Gen 3 but have a lot of idle time (running the AC a lot at road stops, short sleeps on long travels, etc). Oct 21, 2013 · The engine has a cold temperature high idle feature which elevates the engine idle speed from base idle to 1050 rpms for pickup models or 1200 rpms for van models when outside temperatures are below 32 degrees F and the engine coolant temperature is below 150 degrees F. Jun 14, 2004 · On my truck: A) the parking brake is not needed for elevated idle. The benefit of the high idle switch (not cold elevated idle) is to keep the engine from cooling down too much during extended idle periods. 5 and i know previous years and 08 and 09 you can go into your programing and turn high idle on and off. Sales guy says that is the only way to get elevated idle function. Here's a description of what it is and how to enable or disable it: The engine has a cold temperature high idle feature which elevates the engine idle speed from base idle to 1050 rpm for Nov 16, 2017 · Elevated Idle Is a standard option on all 6. After inquiring at my dealer about the missing option I was told by the service writer that "they had spoken with the Service Manager who was "very smart" that elevated idle was an aftermarket option and they don't have anything to do with that". 100% stock. High Idle, is a completely separate thing. Eleveated idle comes standard, kicks on when temps get below 2*C. Mar 26, 2022 · I'm looking at the 3. 6L Duramax works great with remote starters, PTO's and extended idling applications. High Idle is different than elevated idle. ) Fast Idle Control The vehicle may have this system which can be used to increase the engine idle speed. On Monday when i let my to run in the morning in -30 celsius my high idle kicked on and i moved my truck. t Mar 6, 2025 · Has anyone added the High Idle Switch to there 2024 Duramax after purchasing your truck and what was the price? May 28, 2015 · The Duramax uses the injection pump to pull fuel from the fuel tank, through the filters and into the pump. How to get your chev or gm into fast idle mode if equipped ( UF3 switch) Nov 22, 2016 · So this has started happening when it was cold enough that the truck went into high idle first thing in the morning. Adjustable idle settings for faster warm-ups and extended idling. I was under the impression I could get a stock tune with one but not sure if it's true or where I could even get the tune. I figured out how to do the elevated idle for fast warm-up. That and the electrical loads Dan pointed out typically are the reasons. Extended idling times should be at a minimum of 900-1000 RPM. If I manually started it, I would prefer high idle setting with cruise control because on a few occasions after the truck has warmed up and we have driven a short distance, when we go to park, the elevated idle kicks in, which I thought was wierd because it is already warm. Elevated idle is set through the DIC by selecting "on". Dec 13, 2023 · What is high idle on a 2022 Duramax and why is it important? High idle is a feature that increases the engine RPMs when the truck is stationary, allowing for faster warm-up and increased power for accessories such as hydraulics or air compressors. You turn it On/Off with the DIC/steering wheel buttons. I have the elevated idle option in the vehicle options menu turned off. Only in drive or reverse, it idles up to over 800 and is hard to stop at stop lights. The elevated idle feature is controlled i. My truck did not experience the high idle BEFORE I took it into the dealer for the def temp sensor Jul 26, 2012 · looking at a 2012 gmc 2500hd. Elevated Idle Is a standard option on all 6. This is a standard feature on all LLY & up trucks. Salesman menbtioned something about setting it in the info center. The transmission is in P (Park) or N (Neutral). If high idle really what you are looking for then you needed to order it with the truck, or add a aftermarket controller to give you the same function. My new 2011 lml 3500 sometimes idles up to 900 rpm. Jan 4, 2008 · 2007 Chevy 2500HD Duramax Classic w/ Allison. Jun 21, 2023 · Even without elevated idle turned on, the newer trucks will do a warm up procedure to bring the trans and engine to at least 100F. Mar 9, 2012 · The elevated idle system is used when ambulance is at the scene of an emergency where you have lights, and other accessories on and you manually set it to raise the idle to ensure the alternator keeps the batteries charged. It is a $200 option. When I started her up it will idle at normal around 650 or so but once I put it in gear at start driving, once I come to Jan 13, 2011 · I just got the truck about a week ago and the truck would go onto elevated idle no prob. High idle is an option you had to get when you bought your truck. Hoping you guys can help. I test drove a 2015 (idk if it was . Jan 29, 2014 · Elevated Idle The engine has a cold temperature high idle feature which elevates the engine idle speed from base idle to 1050 rpm for pickup models or 1200 rpm for van models when outside temperatures are below 0°C (32°F), and the engine coolant temperature is below 65°C (150°F). 6L Diesel Engines, which raises the engine idle speed from the base idle to 1050 RPM when outside temperatures drop below 32°F (0°C) and the engine coolant temperature is under 150°F (65°C). Fast Idle control will be enabled when the following conditions are met: The park brake is set. Start engine, set park brake, cruise control on, and push the set button on cruise control. on lml duramax idle to 1800 rpm is regulated by regulator 2. The truck I am working with is a 2015 with a 0477 OS. I'm a tech for Cat and am Nov 15, 2022 · I have a 2021 GMC Denali L5P that has started raising the idle speed to about 900 rpms after starting and running at normal idle (550 rpm) for about 30 seconds. There are pictures as well but I couldnt copy those. My rig recently started running at a higher idle, around 850 or so. High idle is the option of using the cruise control to raise to certain RPMs. Just this morning I started my truck, temp gauge said 57* and a few seconds after I started the truck idle jumps up to ~900RPM for about a minute then drops back down to ~600RPM. you set the parking brake, turn the cruise on and hit set and it raises the idle. I do seem to remember using the settings on the info screen. . Jan 14, 2015 · High Idle is really only for PTO applications. Pushing the "set" button will take the idle to 1250rpm, and hitting the "resume" function will take the idle to 1700rpm. to/2MLBBfkCR Spotless: https://amzn. If you have been reading along on the "high idle" threads posted here, you have seen that this is a complicated phenomenon. Sep 12, 2014 · 2012 express 6. Dec 21, 2008 · Forum 2001 - Current Chevrolet & GMC 2500HD/3500 Light Trucks Duramax 6600 How to set high idle on 08 6. B) Elevated idle is closer to 1400rpm C) comes on in temps higher than 32 (as high as 40 degrees) D) Turn it on and forget about it. Mar 7, 2022 · I just picked up my new 2022 3500HD Denali and I got the impession from my saleman that activating the Optional High Idle Switch was different that the older model cruise control button activation. Turn the ignition to RUN with the vehicle off. Window sticker has high idle switch as a 250. Oct 20, 2022 · Engine Idle Variations Under certain conditions the engine idle speed can vary or be elevated. I've got a 2018 gmc canyon that I've added the fog lights Jul 27, 2014 · Cut and paste from 2015 diesel supplement suggests that the accelerator pedal method is still available to turn the elevated idle on/off: Elevated Idle The engine has a cold temperature high idle feature which elevates the engine idle speed from base idle to 1050 rpm for pickup models or 1200 rpm for van models when outside temperatures are below 0°C (32°F), and the engine coolant Sep 3, 2011 · The 6. It raises the rpm, closes the turbo vanes and uses the transmission to add some load to the engine for faster warm up and automatically disengages once warmed up. The one you reference using cruise buttons is an option (UF3 I believe) and called "high idle". I’ve noticed Dec 26, 2015 · My LMM didn't come with the high idle (cruise operated) option, was wondering what I could do to make it work. Press the accelerator pedal to the floor and hold while quickly pressing the brake pedal three times in less than eight seconds. This leads to unstable RPMs and transmission jerking due to inconsistent engine load signals. Can be used hot or cold (seperate from elevated idle cold only). This should ramp it up to high idle no matter what the The BD-Power 1036627 High-Idle Kit for your 2007. Nov 5, 2021 · Hi all, I’m new to the forum and also to the 3. The idle speed intermittently speeds up from around the normal 600 RPM to around 900RPM. If your truck is equipped with it, you can activate it by depressing the parking brake, the pressing the set button for cruise control. Problem I am having is the normal idle is around 600rpm but even after its warm or has been driven it will idle at around 805rpm, up and down sometimes and others just high. Jan 29, 2014 · So when I programmed my truck,with efi live the elevated idle magically showed up in the dic. Jul 31, 2013 · The engine has a cold temperature high idle feature which elevates the engine idle speed from base idle to 1050 rpms for pickup models or 1200 rpms for van models when outside temperatures are below 32 degrees F and the engine coolant temperature is below 150 degrees F. Nov 8, 2011 · The high idle is achieved through a PTO enable circuit inside the ECM. If the ambient temp is below I believe its like 38* and the coolant temp is below like 140* it will idle the truck up to increase the coolant temp a little faster. Revs up to a higher RPM and initiated by pressing the parking brake and the cruise control buttons (at least on my yr model truck). Will idling for a couple of hours a day cause engine damage? I wouldn't want to idle a diesel engine with ERG and DPF or w. 5 doesn't like idling for long periods. I want my truck to warm up the slow way. I have turned on my elevated idle setting by turning key to the on position/engine off, pressing the gas pedal and hitting the brakes 3 times. If you dont have the DIC/steering wheel buttons, do the following to turn it On High idle switch Did anyone opt in for the High Idle Switch with the new 2024 Sierra 2500 Duramax?? I’m wondering if the truck does the high idle automatically with the ECM when needed if you don’t have or opt in for the high idle switch. Jan 5, 2023 · “Elevated Idle – Rapid Heat: This feature raises engine speed and applies load from the transmission to warm up a cold engine for cabin heat. Mar 30, 2016 · I am aware of the high idle feature, which I have activated. Once installed you can press set on the cruise control button while the truck is in park and it will Sep 7, 2016 · iRV2 Forums > POWER TRAIN GARAGE FORUMS > Cummins Engines High Idle - when to use and why? iRV2. 2. 0 and couldn’t find much info on this kind of a situation. This is a short video to show you how to operate the high idle switch in the 2017 Chevrolet Silverado Duramax Diesel Truck. 0 Duramax. It ended up chewing up the bearings from excessive idling, and my buddy rebuilt the engine himself. kredbncjz obetn fug ovuvk buymw bmw mkob ejrdw vfzmsj rlxv