Duramax intermittent white smoke

Chevy/GMC Duramax 04.5-05 LLY - Discussion of Chevy and GMC Trucks with LLY Duramax Turbo Diesel Engines ... rough idle, white smoke on startup please help. Duramax Egr Valve Symptoms

Oct 28, 2015 · 04 silverado 2500hd duramax has an intermittent power loss,wont go over 2000 rpm and bellows black smoke. Usually when I have been driving for a little while and come to a stop. Usually when I have been driving for a little while and come to a stop.

Duramax EGR Blocker vs. EGR Disable vs. EGR Delete Warning: Emissions tampering is unlawful on any motor vehicle used for on road purposes in the US. This Tech Tip has been written in an attempt to educate and minimize time spent on the phone discussing something that shouldn’t be so complicated. White smoke is usually an indication of raw, unburnt fuel leaving via the exhaust - as opposed to black smoke which is incompletely burnt fuel (eg, running rich) - but it can also be an indication of water in the fuel. IMO best to start with draining the fuel filter via the water tap at the bottom to see what comes out.

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Duramax Egr Valve Symptoms

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Duramax EGR Blocker vs. EGR Disable vs. EGR Delete Warning: Emissions tampering is unlawful on any motor vehicle used for on road purposes in the US. This Tech Tip has been written in an attempt to educate and minimize time spent on the phone discussing something that shouldn’t be so complicated.

Intermittent White Smoke from Exhaust - posted in Engine, Tuning and Performance: Morning all, Having a few issues with the Golf of late. Had a few bits replaced around the turbo back in March after having plumes of white smoke pouring out the back of the car. Problem is now Im getting smoke again, but not all the time. 2003 GMC Sierra SLT, LB7 Duramax Diesel, Webasto thermo top C coolant heater, 447,000 km, leather interior, upgraded head unit, engine runs smooth, no white smoke at operating temperature, body has some rust.

Nov 21, 2020 · A vavle guide moving in the head can cause white smoke which will be worse whenever the oil builds up in the rocker box for some reasons. Check that your crankcase ventilation is clear. If you have aftermarket carbs and someone didn't know what they were doing when they did the swap, you may need to redo your crankcase ventilation setup.

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  1. Dec 24, 2018 · intermittent air in the fuel lines can cause this type of thing.. my DT360 has had issues with losing its prime afteer the bus sits for awhile.. when that happens i start it up and it runs rough and puffs a little smoke till it gets primed back up.. in my case the manual primer pump was the culprit of the leak..
  2. Feb 27, 2015 · The knocking and squealing are intermittent. When started cold the truck blows a lot of white smoke that doesn't have much much of a typical diesel exhaust smell to it and doesn't really have much fuel smell either. It will continue to idle white. If you pop the throttle you will get black smoke and then back to white.
  3. Sep 22, 2008 · Recently I've had a lot of white smoke spewing from my exhaust after the engine warms up. It doesn't have a distinct smell (doesn't smell sweet, doesn't smell like gas, rubber, or plastic). The best I can describe it is just a generic burning smell. As for relevant info: Mobile1 5w30, changed less than 100 miles ago.
  4. Oct 28, 2015 · 04 silverado 2500hd duramax has an intermittent power loss,wont go over 2000 rpm and bellows black smoke. Usually when I have been driving for a little while and come to a stop. Usually when I have been driving for a little while and come to a stop.
  5. Mar 28, 2010 · White smoke in the exhaust on a fully warmed up engine = water getting into the cylinders, and there's only two ways for that to happen. 1, cracked head, 2, bad head gasket. Tired Iron ain't got no time to wear out...
  6. 04 silverado 2500hd duramax has an intermittent power loss,wont go over 2000 rpm and bellows black smoke. Usually when I have been driving for a little while and come to a stop. Usually when I have been driving for a little while and come to a stop.
  7. Misfire DTCs including P0300 may be set in the engine control module (ECM). Cause: Multiple root causes are possible, but in the most likely scenario, an intake or exhaust pushrod has broken at the upper cup causing no lift on the valves for that cylinder.
  8. Nov 09, 2020 · The 2006 Duramax, identified as either RPO code LLY (early '06 models) or LBZ (late '06 models), saw another glow system upgrade. Faster-acting glow plugs and shorter cycle times combine to further reduce white smoke after a cold start, while helping to make diesel engine operation more transparent to those more familiar with starting a gas engine.
  9. Description. The Glow Plug Control Module is responsible for determining when to switch glow plugs on and off and how much current is required. A defective Glow Plug Control Module can cause excessive white smoke at startup, difficulty starting or the inability to start at all. It's also recommended to replace your Glow Plug Controller when replacing your glow plugs.
  10. The idea behind a colon cleanse process is to eliminate the toxins which have built up in your digestive system.. Duramax white smoke during acceleration Chevy Diesel Diagnostic information for 6.2 L, 6.5 and 6.6 ....
  11. Jan 19, 2017 · The Duramax was jointly developed by GM and Isuzu in the early 2000s to get away from the Detroit Diesel days of yore. Miraculously, the engine has had incredible staying power in an ever-changing arena of ideas regarding emissions, efficiency, and power numbers.
  12. I have a 1994 Toyota Camry 4 cylinder with 120K miles.. Recently there has been some white smoke coming from the front of the engine after I stop the car and turn off the engine. This seems to be an intermittent problem. Also, the smoke is very thin almost like a mist. I have a minor oil leak, no other leaks.
  13. A "must have" for anyone who works on Duramax common rail fuel systems Replaces EN-47589-1 or Miller 9011 Fits 2001 - 2005 Chevy / GMC Duramax 6.6L ( LB7 and LLY) Most often used for locating an injector with high return rate that is causing a no-start condition NOTE: This tool will also work on 5.9L Cummins Applications 2003 - 2007
  14. black smoke that smells like burning plastic. Silicone will turn white when burned, regardless of the original color of the seal, producing smoke that has little color and no odor. Viton/fluoroelastomer seals will be difficult to burn and produce white smoke with no odor. The seal color will either remain the same or turn black.
  15. Is your Ford Powerstroke 6.0L 2003 – 2007 or other Ford Powerstroke, Dodge Cummins or GM Duramax blowing a cloud of white smoke? Are looking for an experienced and reliable mechanic that specialize in diesel engines? Call Orange County Diesel at 1.888.OC.Diesel to set up an appointment today to diagnose your diesel truck.
  16. This tool is a "must have" for anyone who works on Duramax LML/LGH common rail fuel systems. When a Duramax common rail engine will not start, the very first thing to check is fuel rail pressure. If the pressure is less than 1,888 PSI one possible cause is a defective injector that is returning excess fuel back to the tank.
  17. Check out these badass Turbo Diesel trucks and machines that prowl Dragg City! You will see Cummins 5.9 Diesel, Ford 7.3 Powerstroke Diesel, and Duramax Diesel trucks, parked, drag racing, cruising, pulling and making sweet black clouds of smoke!
  18. Nov 17, 2011 · I have a 2001 Ford Excursion and it is doing the same thing. I have assummed that it was a fuel starvation. Thinking that the fuel was draining back out of the fuel line because if i run the RPMs up to 1500 on start up it runs rough for about 3 second and then some white smoke and then it runs like a champ.
  19. Dec 05, 2012 · another possible cause of white smoke at idle is a bad FPR or fuel pressure regulator. its located in the valley on the injection pump. not the most fun to change but they are cheaper than injectors! if you balance rates spec out it may be worth some time to test that part out. either way its a duramax and i'd just keep driving it until it gets worse, that way you can better identify the problem.
  20. (8 months ago) My 03' Duramax did the same thing, then it became hard to start. Dealer said it was the fuel filter. that fixed the problem for about 4 hours and the blue/white smoke started up again and the truck wouldn't start for sh!t.
  21. Mar 24, 2010 · There is no visible exhaust smoke except for these few incidences and this appears to be an intermittent problem. Otherwise, the engine runs like new. The dealer wants me to bring it in for diagnosis at the $120/hour shop rate.
  22. Nov 16, 2016 · When this fluid is heated it will come out the exhaust as white smoke or steam. It may take a few days to a week to burn off all this fluid out of the exhaust. One of the quickest ways to burn off all the coolant quicker is to hold the throttle at about 2000 rpms when in park for about 10 to 15 minutes.
  23. Chevrolet : Silverado 2500 LTZ*4x4*Z71*Htd Steering Wheel 8000 off duramax diesel 8 foot box ltz 4 x 4 navigation crew cab. $54,560 . Elkland, Pennsylvania
  24. Oct 10, 2016 · White Smoke from Diesel Exhaust. White smoke in diesel engines is usually the last color you want to see, particularly on gas cars. If the smoke is thin, and goes away relatively quickly, than it is merely condensation. However, thicker, longer lasting smoke is a much larger headache. Your engine is more than likely burning coolant.
  25. Jul 28, 2012 · I used the new AC Delco stuff, and it is very comparable. Got it at NAPA for about the same price as the old stuff. Ran it through, and my white smoke was almost gone. Went and added some Howe's Meaner Cleaner to my fueling routine (02 LB7 - 330,100 miles) and it made even more of a difference.
  26. When the rpms come back up to normal idle range, the engine will run rough like a cylinder is missing and will have white exhaust smoke (raw fuel I believe). It will continue to run rough and smoke until I shut the key off.
  27. Aug 11, 2015 · service life of injectors and injector pump are around 150k miles max. a little white smoke when cold is normal. if you have a few bad glow plugs, this will cause it to smoke more when cold, and give you a miss when first started.

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  1. Aug 23, 2010 · Duramax – the diesel engine that saved GM’s heavy-duty pickups – is 10 years old, and the company celebrated the milestone last week. ... At one point I noticed white smoke coming from the ...
  2. Duramax Intake/Exhaust Leak Check Shortcut The manual is over 200 pages long, the case study below is a quick sample to show how we leverage underused PIDs to save hours of testing. This case study used an aftermarket scan tool example, it shows the air leak PID, which is a built-in leak indicator.
  3. Apr 22, 2004 · If the smoke is due to worn rings/cylinder block, then it makes sense that the smoke would increase as you let up on the throttle. When you use a higher throttle setting, there is a higher brake mean effective pressure in the cylinder that pushes the rings against the wall harder.
  4. Apr 23, 2015 · MY 2005 DURAMAX LLY SOUNDS LIKE A GAS MOTOR WITH THE DISTRIBUTOR 180 DEGREES OUT! ... WHITE SMOKE! Apr 23 2015, 12:56am. White smoke, could be coolant getting in ...
  5. Mar 24, 2010 · There is no visible exhaust smoke except for these few incidences and this appears to be an intermittent problem. Otherwise, the engine runs like new. The dealer wants me to bring it in for diagnosis at the $120/hour shop rate.
  6. This listing is for a COMPLETE LB7 Duramax Engine + 5 speed Allison Transmission + Harness + ECU out of a 2003 Chevrolet Silverado 2500HD with 280k miles. The engine takes a few cranks to start and blows white smoke out of the tailpipe but it does run strong. #5 & #8 injectors are faulty (see first picture for balance rates).
  7. Getting puffs of Wh/grey smoke intermittently at take off coolant level and oil level down plugs 12&3 tannish 4 caked black hope it's just gasket valves set ok .010 Taking head off today Andy&Sherry 1974 Spit 1500 Carmine Red
  8. Jul 13, 2013 · Hi - old thread but exactly the same issue with a 2002 Mercedes C240. Runs fine until a huge plume of white smoke came out the exhaust at 70mph, then stopped. Check engine light came on, smoke stopped. Stopped & restarted engine, seemed to run fine until randomly throwing out heavy plume of white smoke again.
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  10. Nov 12, 2015 · Remember, it s had impeccable maintenance, and while sometimes you get unlucky and get a lemon from the factory, it s also common to strike luck and get a peach. This truck was bought the same time as another perfectly identical duramax and the other one made it to 200k and had parts falling off left and right and blew more white smoke than black.
  11. Duramax First Generation: 2001-2004 (LB7) White smoke- tested, not injectors. Jump to Latest Follow 1 - 4 of 4 Posts. S. ski · Registered. Joined May 1, 2007 · 2,079 Posts . Discussion Starter • #1 • Sep 17, 2009. Went and had the injectors tested today and everything came back good but there is still smoke when idling. ...
  12. 2017 Chevrolet Silverado 3500 Crew Cab HD LTZ Z71 4x4 Duramax 5th Wheel Prep New 2017 Chevrolet Silverado 3500HD LTZ 4x4 Z71 High Country Crew Cab 6.6L Duramax B $69,165 Lebanon, Tennessee
  13. my duramax started spewing white smoke yesterday. the dtc is p0404, egr stuck open. would that cause the white smoke? EGR related, rip that crap off and have a tuner shut it all down. White smoke is usually a sign of coolant making its way into the engine. My bet is bad head gaskets, esp on an lly.
  14. Jan 30, 2012 · My car has an intermitent white smoke issue. Sometimes it's fine and other times there is a ton of white smoke pouring out the back. It never seems to happen when I first start the car, and if it does happen it will occur after it has been running for a few minutes. There does not appear to be any major power loss issues.
  15. Feb 07, 2009 · 2003 Duramax LB7 vehicle emits grey/white smoke from tailpipe after extended (5-10 minutes) idle. Dealer says fuel return rate is ok. Also, heavy ammonia/urea smell from exhaust and heavy soot in tailpipe.
  16. For about a year my mgb GT has spat out white smoke from the exhaust every so often. It used to be once every few months, but not it seems to be more frequent, more like once every week. It will always be after a journey as I arrive, and for a few hours afterwards if I start the car up.
  17. No more stretched bolts, blown head gaskets or white smoke from the EGR cooler. Shop online today! Sinister Diesel Basic Solution(R) Kit for 2004-2007 Ford Powerstroke 6.0L (Blue Square EGR Cooler)
  18. 2003 Chevrolet Silverado 2500 HD 6.6L Engine Smoke Posted to GM Driveability on 10/24/2011 7 Replies I've got a customer that has a 03 chev. with a 6.6 duramax that smokes bad at idle in drive and smoke goes away around 1800 rpm.
  19. Jul 15, 2020 · Needing advice! I’ve been chasing the infamous intermittent blue-ish/white smoke. It’s random, sometimes on start-up, sometimes at idle, sometimes nothing at all for a few days. Recently, I just went on a 90 minute drive and it ran well. When I got home, shut it off for about 10 minutes, then started it up to move in garage and immediate smoke.
  20. White smoke is usually an indication of raw, unburnt fuel leaving via the exhaust - as opposed to black smoke which is incompletely burnt fuel (eg, running rich) - but it can also be an indication of water in the fuel. IMO best to start with draining the fuel filter via the water tap at the bottom to see what comes out.
  21. Feb 07, 2009 · 2003 Duramax LB7 vehicle emits grey/white smoke from tailpipe after extended (5-10 minutes) idle. Dealer says fuel return rate is ok. Also, heavy ammonia/urea smell from exhaust and heavy soot in tailpipe.

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