Lly duramax rough idle in park

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  • lly duramax surging at idle, This letter is intended to make you aware that some 2001-04 model year Chevrolet Silverado, GMC Sierra; 2003-04 Chevrolet Kodiak and GMC TopKick vehicles, equipped with a 6.6L Duramax diesel engine, may experience vehicle service engine soon (SES) light illumination, low engine power, hard start, and/or fuel in crankcase, requiring injector ...
  • Duramax Second Generation: 2004.5-2005 (LLY) Rough idle which smooths out with any throttle. LLY: ... the truck started to surge a bit and continued to get worse until it would surge in and out of it's rough idle state and eventually wound up staying at a rough idle. The balance rates went right wonky whenever it would get rough, some as high ...
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  • DescriptionFull manual control of the elevated idle on your Duramax truck is possible with our High Idle Kit.Operation is simple using only your cruise switch, no extra switches to mount or hide in your truck and features fool proof operation.Get faster warm ups, increased output from your charging system and reduced wear on your engine during situations that require idling for extended ...
  • DescriptionFull manual control of the elevated idle on your Duramax truck is possible with our High Idle Kit.Operation is simple using only your cruise switch, no extra switches to mount or hide in your truck and features fool proof operation.Get faster warm ups, increased output from your charging system and reduced wear on your engine during situations that require idling for extended ...
  • That is why you get the rough idle with the manual switch option. 1995 GMC 2500 SUBURBAN powered by 01 DURAMAX/ALLISON, little of this, a little of that, DIAMONDEYE 4" exhaust, CORSA muffler, AFE stage 1 dry filter, custom tuning by me, KENNEDY single pump and pump rub kit.
  • 1 hour ago · Duramax with Allison 10speed super smooth and quick! Great fuel efficiency also ! 5 out of 5 stars, Great truck. Find just about everything you need to know regarding how to troubleshoot your outboard's. Powermate Formerly Coleman. Midway through the 2004 model year, GM released the second-generation Duramax, RPO code LLY.
  • The PPE Diesel 1110018 High Idle Valet Switch 2001-2002 GM 6.6L Duramax is a great addition due to it Increasing the rpm's when the engine is running or in park. Professional Installation. OC DIESEL offers Professional PPE Diesel PPE-1110018 Installation. We're ready to take your call 8am to 5pm PST Monday through Friday. Please call (714) 848-2170.
  • 56 Select options; MPD 6. Gorski 1 * , Nichole T. 5 200% 335 175 0. Deletion of Mbtps1 (PCSK8, S1P, SKI-1) in Osteocytes Stimulates Soleus Muscle Regeneration and Increased Size and Contractile Force with Age Jeff P. im looking for software to hook up to duramax using nexiq usb link 2.
  • Apr 09, 2012 · Re: Duramax LB7 Smokes at idle Ray, I had a 2002 GMC 2500HD with the Duramax and I had problems with the injectors that caused excessive smoking at idle. This is a known problem with the LB7 and GM extended the warranty on these injectors to 7 yrs/200,000 miles.
  • I've been dealing with a rough stumbling engine during the warm up for a while now. Seems to happen when the coolant temperature gets between the 50 to 70 deg C range and I'm stopped at a light or just idling. Just recently noticed that it's also rough when I put it in park and raise rpm's so it's not just at idle.
  • Sep 21, 2009 · On either of my current diesels ('04 6.0L PSD 50k mi and '01 Cummins 185kmi) there is nothing visual coming from the exhaust. I did have some older non-common rail trucks that would start to smoke slightly at idle. When it really starts to smoke or idle rough, then you have a problem. As for now I think you should just live with it.
  • Earlier this year car started running rough.. took it to the dealership, who said the plugs were fine. Took for an oil change.. they changed oil, air filter topped the fluids.. and said 2 codes camshaft sensor, and P0456 small EVAP leak. we changed the camshaft sensor, car ran fine.. Until a couple weeks back it started idling and running rough..
  • I'm considering a 2015 Duramax that a friend is selling that is pristine and well maintained. He drives a lot, it already has 115,000 miles on it. I on the other hand have a short commute only 6 miles each way. I keep reading that short runs are rough on the new diesels because they don't get up to temp.
  • GDP 01-04 LB7 Duramax Digital Switch Installation page 4 HIGH IDLE MODE The gauge pod digital DSP/SOTF switch also has a manual high idle mode for faster winter warm up, jump starting other vehicles, etc. To activate the high idle mode, the truck must be in PARK and your foot must be OFF the brake pedal. The cruise control switch must be ON ...
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Dish network channels not working56 Select options; MPD 6. Gorski 1 * , Nichole T. 5 200% 335 175 0. Deletion of Mbtps1 (PCSK8, S1P, SKI-1) in Osteocytes Stimulates Soleus Muscle Regeneration and Increased Size and Contractile Force with Age Jeff P. im looking for software to hook up to duramax using nexiq usb link 2. The truck idles rough as can be but does not seem to always do it. The balance rates on every injector go back and forth between -7 to +15 when acting up. It will slightly start to lope before the rough idle and seems to do the rough idle when it gets to operating temps.
May 24, 2009 · GM Duramax Engines. 04.5-05 LLY ... Its only in idle though, park or drive and when I start rolling, its fine. ... and my rough idle is still there. They think it ...
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  • Duramax 6.6L 04.5-06 LLY. Turbochargers Transmission Fuel system Suspension & steering ... Duramax LB7 High Idle Control Chevy 2001-2004 HIGH IDLE. PART # ... 6 hours ago · I think the fuel quantity valve may. if so, starter. The older 6. Upper Engine Harness Dmax Swap Duramax Swap 329 Lly Duramax Engine Sensor Diagram Wiring Resources Lly Duramax Engine Sensor Diagram Wiring Schematic Diagram. I Have A 04 Duramax Sometimes Cranks But Wont Start Other Times I Turn Key. went to leave work.
  • The truck idles rough as can be but does not seem to always do it. The balance rates on every injector go back and forth between -7 to +15 when acting up. It will slightly start to lope before the rough idle and seems to do the rough idle when it gets to operating temps.
  • * Increase rpm when the engine is running or in park * Reduce rpm, speed and disable all performance enhancements Application: 2001-2005 Duramax LB7 and LLY diesel engines Product Description: The High Idle/Valet Switch was specifically designed for 2001 through 2005 Duramax diesel engines and provides two modes: high idle and valet.

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04.5-05 LLY Duramax Powertrain. ... Loping pretty good in park, enough to rock the truck. ... I figured if it was too much it would idle rough right away and I would ...
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If you have a 2001-2004 Duramax 6.6 LB7 diesel pickup or are looking to buy one, here are some common issues and problems we have run into in our shop. Over the years these trucks have been really good performers, but they do have some common problems that we see over and over again.
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Duramax LBZ Diesel Injectors. No matter if you are replacing a Duramax LBZ injector due to natural wear and tear, or putting in new injectors to match an aftermarket engine tune, you'll find what you are looking for here.
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My 2005 Duramax LLY had a rough idle and surging while holding the brake. I changed the Fuel pressure Relief Valve with a race plug and it corrected the pro...
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Everything is great, idles fine, until you get it up to operating temps (around 185) then it is still perfectly fine while in gear, but the second you put it in Park or Neutral it starts loping pretty bad. According to my CTS rpm's jump from around 660 to 690 then back and forth.
  • With the engine up to operating temperature, use the scan tool to command rail pressure to 21,000 PSI, if the rail pressure will not achieve 21,000 PSI at idle you most likely have a problem with the injectors, Especially if you are having a hard start, miss, rough run or smoke.
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  • The PPE Diesel 1110020 High Idle Valet Switch 2003-2004 GM 6.6L Duramax is a great addition due to it Increasing the rpm's when the engine is running or in park Professional Installation OC DIESEL offers Professional PPE Diesel PPE-1110020 Installation.
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  • 6 hours ago · I think the fuel quantity valve may. if so, starter. The older 6. Upper Engine Harness Dmax Swap Duramax Swap 329 Lly Duramax Engine Sensor Diagram Wiring Resources Lly Duramax Engine Sensor Diagram Wiring Schematic Diagram. I Have A 04 Duramax Sometimes Cranks But Wont Start Other Times I Turn Key. went to leave work.
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  • Jul 11, 2010 · 2. An injector terminal fretting problem. This is common on 04-05 LLY engines and generally affects #2 and #7 cylinders although it can affect others. It will set a number of DTC’s. There is an updated 90 degree connector and support brackets for these two injectors that repairs this problem.
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  • <p>It's near the end of the video. Duramax LB7. Love the backup assist lights on mirrors. So far knock on wood my 2019 GMC 3500 does not have any issues, I would think that forcing a transmission relearn would help with the shifts. What was the problem? They said that they are working on a solution for the glitch in the transmission but there's nothing I can do about it until then, so ...
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