Duramax White Smoke At Idle


Engine is a 2004 Duramax diesel, GMC Sierra 2500. Car has rough idle, big loss of power, black smoke from exhaust, smokey smell of flooding 9 Answers. 6 duramax has 10,200miles on it and 600hr on the engine I guess the best way to. The technology changes introduced with the LLY address both of these forces. When it worms up up to 1 minute of cold start; I get white smoke. tank) I use the recommended Stenedine additive, have been using this additive for 2 years, mileage on Engine is 76,400. White Smoke Indicates a Faulty Fuel System: Time for a Fuel Injector Service. The mainreason for the appearanceof blue smoke - oil gets into the engine cylinders. When I start my truck the exhaust smells like crude gas and continues the whole time running. Now it smokes when decelerating and when idling. Exhaust has blue smoke at idle regardless of temps. Duramax Injector Failures-Cause and Prevention LB7: Many LB7 owners have had injector issues. Is white smoke always injectors? Any and all comments welcome. If you're looking to get more power and torque out of your 6. 6 duramax diesel is blowing smoke and has loss of power. 9 for this ???. No loss in milage or power, headgasket? Any help is greatly appriecated. Your injectors are under the valve cover and will leak fuel into the crank case destroying the oil and engine. It is like the car is flooding o. Smoke only increases as the engine get hotter. How long will exhaust smoke after engine rebuild? I can drive, accelerate, decelerate and I don't see smoke in the mirrors but when I stop and idle, after 20. These issues tend to be VERY expensive. I just bought the truck 2 weeks ago, 400,000km and injectors were replaced at 280,000km. I've read in forums that its probably one or more injectors that have corroded and are leaking fuel into the cylinders. injectors were replaced 50k ago oil level and coolant level is good i think it might be bad injectors. In addition to two gasoline powerplants, the GMC Canyon lineup offers a unique option: the 2. To the point of rocking the truck a little. The GDP Tuning Digital DSP5 Switch With High Idle adds function and style to the interior of your 2001-2010 GM 6. You can feel it coming on? That tingling sensation or hot feeling that tells you a Herpes blister is about to erupt. I feel it is a normal thing. On either of my current diesels ('04 6. Welcome to the Diesel Bombers. Truck Master 225,719 views. Whatever I use I want it to be available locally so I can get it when I need it. -The FPR's job is to make sure the right PSI of fuel gets delivered to the fuel rail and ultimately the injectors. Started car this morning and it is like the engine has no power, and the idle is not smooth and responsive. On a separate note, I've lost two injectors and both started with extensive white smoke in the exhaust. A fuel line leaking air will cause white smoke. We need year, make, model, engine size, etc. Smoke from your exhaust explained One day your car might let out a puff of smoke which is particularly large or of an unusual colour. My truck right now is embarrassing to drive, the white smoke cloud is obnoxious. Only code set is for the number 6 glow plug which is presumably burnt out. OK all you Duramax experts, I've already received one opinion from a friend so I need a couple more before taking BART to a shop. Evidently running too much engine oil caused it to "load up. The 2006 Duramax, identified as either RPO code LLY (early '06 models) or LBZ (late '06 models), saw another glow system upgrade. When it worms up up to 1 minute of cold start; I get white smoke. The mainreason for the appearanceof blue smoke - oil gets into the engine cylinders. Duramax white smoke during acceleration Chevy Diesel Diagnostic information for 6. How to Fix Black Smoke. All injectors just tested. This means that part of the diesel fuel remains unburnt and turns into black soot. my 2003 chevy duramax is smoking at idle (light grey, with a smell of unburnt desiel). BUT just today without towing I got on it and noticed white smoke out the tail. It was exposed to temps below 20 degrees on vacation and never behaved this way. Does your Duramax have a rough idle?-At operating temperature the FPR (Fuel Pressure Regulator) can cause a slight lope at idle if it is going bad. I have also had the fuel filter head seals cause a slight air leak making for white smoke at idle and a slightly longer crank time before it would fire up. The design and labor costs dictate a complete set replacement in most cases. The GDP Tuning Digital DSP5 Switch With High Idle adds function and style to the interior of your 2001-2010 GM 6. But injectors usually only cause the white haze when the engine is cold (its basically a near lack of combustion). You can feel it coming on? That tingling sensation or hot feeling that tells you a Herpes blister is about to erupt. What kind of Vehicle are we talking about. A vicious cycle then starts with the engine producing more smoke and sootier carbons being drawn into the intake, a major problem. 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. White smoke at idle and take off only??? 6. Engine Misfire - Rough Idle. html: 4X4 ESOF Autolock Lube. 6L Duramax, these diesel performance injectors are a great solution to upgrade your power at a great price. Duramax white smoke during acceleration - Active Liver Detox Natural Active Liver Detox Duramax white smoke during acceleration Optimize your liver function and feel better with LiverActive Homeopathic Spray. White smoke occurs in a diesel engine when the diesel fuel goes through the engine and reaches the exhaust without having been burned. These idle up speeds may occur with no input from the customer. This means that part of the diesel fuel remains unburnt and turns into black soot. The low temperature at which fuel burns within the engine causes white smoke emissions and can be corrected easily by installing a low cost heating system. Will blow black smoke when you really give it some throttle. If the black smoke is also coinciding with poor engine performance and/or rough idle, you probably have one or more fuel injectors that are leaking. If your Duramax emits excessive white smoke while idling it most likely needs new injectors. Fat burning LIPO-6. My engine smoke white / bluish smoke at iddle, cold or warm, even after a long drive. 6L LB7 engine are white smoke at idle, hazy exhaust smoke under light load, and engine oil levels increasing due to fuel contamination. I have a 1969 Chevy Impala. Generally carbon being burnt will give you gray smoke, but not always. I am in a '16 Tacoma and I absolutely love it. Based on the currently firing cylinder (crank and cam position sensors) the ECM looks at engine speed to determine if it's speeding up or slowing down at that instant, or immediately afterTHUS can determine if and injector is flowing too little or too much. When it really starts to smoke or idle rough, then you have a problem. 2004 Duramax Strong exhaust fumes while idling. 2012 duramax white smoke under acceleration GL 320 CDI smoke - MBWorld. Smoke only increases as the engine get hotter. 2004 Duramax Strong exhaust fumes while idling. 2002 duramax blows blue smoke at idle - Chevrolet Silverado 2500HD question Excessive white smoke or a coolant type odor coming from the exhaust pipe, along with. No loss in milage or power, headgasket? Any help is greatly appriecated. GM Duramax Engines. What You Need to Know About Duramax Balance Rates. Rollin Smoke Diesel RSD Performance. As soon as the truck is driven, the white smoke should stop and won't re-appear until the next cold start. Really, any smoke would fall into this category. I traded my '09 Chevy 1500 for my Taco, because of valve issues that Chevy fixed twice under warranty but would not fix out of warranty even though it was a repeat problem. There may be several reasons for a car smoking white smoke from the exhaust. 6L LB7 Duramax engine is white smoke at idle. Duramax white smoke during acceleration - Herpeset - Natural Herpes Relief Herpeset - Natural Herpes Relief Duramax white smoke during acceleration. In 2001 GM introduced the 6. Black smoke comes from air leaks in the intake system downstream of the MAF sensor. Duramax white smoke under acceleration - Herpeset - Natural Herpes Relief Herpeset - Natural Herpes Relief Duramax white smoke under acceleration. The mainreason for the appearanceof blue smoke - oil gets into the engine cylinders. Blue white smoke that burns your eyes is un-burnt fuel; cold temperatures, high altitude and excessive idle time all mean cold combustion and white smoke. White smoke at idle and heavy fuel smell. Does a 2007 Duramax LB7 have an EGR valve? Can a problem with the EGR valve cause a grey white smoke that smells like unburnt diesel? Injector balance rates are all within +/- 4 Smokes bad at idle and minimal smoke at road speed. Chevy replaced the injectors about 40k ago and then it was just a cloud of grey smoke. The design and labor costs dictate a complete set replacement in most cases. White or Blue smoke at idle when cold. Having fuel system troubles with your 2001-2004 Duramax? White smoke? Diesel fuel mixing with engine oil? Maybe a rough idle? These symptoms are not to be ignored! We just finished installing a set of Exergy Performance sportsman fuel injectors in this immaculate 2002 Duramax. Now this isn't always the case, but after some trouble shooting we're usually the go-to shop when diesel drivers need refurbished, rebuilt, or new injectors. What kind of Vehicle are we talking about. carbon build up can cause the EGR valve to stick open allowing intake pressures to drop and the engine to stall at idle and run rough. Terminal position C1-72 is empty (at least on 2001 models), and C1-73 should have a BROWN/WHITE wire in that position. Get all the latest information on Events, Sales and Offers. Diesel tech questions from readers and enthusiasts regarding white smoke and maximum number of turbos. 2004 Duramax Strong exhaust fumes while idling. 5L Gasoline Turbocharged Direct Injection (GTDI) engine may exhibit blue or white smoke from the exhaust while driving after extended idle. So to dismiss everyone who complains of white smoke as not knowing anything about diesel's and as smoke being normal is, shall we say misguided. If the smoke clears in less than 1 minute, this would be normal depending on temperature and altitude. The mainreason for the appearanceof blue smoke - oil gets into the engine cylinders. white smoke is unburned fuel --> a bad sign. It has 165,000 miles on the clock, and I have owned is for nearly eight years. You may have to register before you can post: click the register link above to proceed. Specific causes are usually found in a vehicle's fuel system. But my experience has been pilot tuning is the key. Parked my 2005 Sunfire last night and everything was fine. Have a 2014 lml that white smoke on start up and after warmed up when give a little throttle. 2012 duramax white smoke LB7: Rough Idle with White Smoke (Injector or Cracked. I have heard that I may have an injector going? Doesn't appear to be "eating" antifreezeother than the normal amount it always does. The LML Duramax has a 9th injector in the exhaust, that is used to inject extra fuel to. The GDP Tuning Digital DSP5 Switch With High Idle adds function and style to the interior of your 2001-2010 GM 6. In this guide we explain the different kinds of smoke a car could emit and what they could mean. I Spent $5400 on a Allison Rebuild for my Duramax that already needs work! *Teardown time* - Duration: 23:35. The LB7 engine is designed for use by heavy-duty pickups. The idea behind a colon cleanse process is to eliminate the toxins which have built up in your digestive system. When it really starts to smoke or idle rough, then you have a problem. See Diesel Fuel Requirements and Fuel System on page 5-2for information on what fuel to use in cold weather. It doesn't happen for long though. DIY diesel problem diagnosis Black smoke means there's too much diesel and not enough oxygen, so the carbon in the fuel doesn’t have enough oxygen to combine with. A buddy of mine sent his injectors off to be rebuilt in his 01'he installed them and vapor locked the motor, pulled the injectors and turned engine over cleaned out cylinders, re installed injectors and truck has a hard start, a ton of white smoke which turns to greyish when you give it fuel, truck has a miss and is not running very good and also has a knock. 2002 duramax blows blue smoke at idle - Chevrolet Silverado 2500HD question Excessive white smoke or a coolant type odor coming from the exhaust pipe, along with. This typically occurs due to the engine being too cool to burn the fuel, often resulting from low compression in one cylinder, problems with the fuel injection timing or a defective fuel injector. "Oily" smoke may have blue color with various hues - from transparent blue to blue-white, depending on the engine operating condition, and the degree of the oil heating that got into the cylinders. I am in a '16 Tacoma and I absolutely love it. Let Hot Shot's Secret help you diagnose and solve your excessive white smoke issues with your 6. Rough Idle When Starting Cold, Then Goes Away When Engine Is At Operating Temperature More Details Below I have an older, low mileage vehicle with a V8 engine. Lots of white smoke/very rough at cold start If this is your first visit, be sure to check out the FAQ by clicking the link above. * When white smoke is still visible after full operating temperature, the engine may have one or more bad injectors, miss adjusted ALDA, retarded injection timing, a damaged timing device, or a worn/damaged injection pump. [Archive] - SnoWest. I just saw your website and I really hope you can help. I'm only running 45 overs in my Duramax, but it hazed something awful, I cleared most of it up by getting the pulse tables so the idle fuel amount was close to stock, and fine tuning pilot amount and timing. I can hear the engine "laboring" at one spot and it lunges forward at that exact spot. Diesel Smoke tells YOU a Story Basically, smoke from a diesel engine indicates that something is not right. Evidently running too much engine oil caused it to "load up. Duramax white smoke during acceleration - Active Liver Detox Natural Active Liver Detox Duramax white smoke during acceleration Optimize your liver function and feel better with LiverActive Homeopathic Spray. Terminal position C1-72 is empty (at least on 2001 models), and C1-73 should have a BROWN/WHITE wire in that position. Parked my 2005 Sunfire last night and everything was fine. Revised: Thick excessive white smoke from the diesel engine exhaust can be caused by coolant getting into cylinder heads and is commonly known as a blown head gasket, but this is often not the. Car has rough idle, big loss of power, black smoke from exhaust, smokey smell of flooding 9 Answers. I have had a loose fuel filter or water in fuel sensor cause white smoke and a surge at idle on my 2003 LB7. white smoke is unburned fuel --> a bad sign. In fact on 20 degree mornings it would start right up, no smoke at all --- none. Your vehicle FAILED its Smog Check for “Visible Smoke” because Smoke was seen coming from your vehicle’s: Tailpipe during the Idle Test Tailpipe during the BAR Snap Test Crankcase during the underhood visual inspection Visible Smoke Color of Smoke Condition Common Causes Blue or Bluish-White Engine or transmission oil being burned. EGR coolers, especially on Ford 6. A vicious cycle then starts with the engine producing more smoke and sootier carbons being drawn into the intake, a major problem. But it's like a cloud of white smoke. The truck runs amazing and havnt had any problems aside from the prevalent hard 6-5 shift. my lb7 has 187k on it and its beginning to smoke white at idle. No loss in milage or power, headgasket? Any help is greatly appriecated. Your injectors are under the valve cover and will leak fuel into the crank case destroying the oil and engine. 2012 duramax white smoke LB7: Rough Idle with White Smoke (Injector or Cracked. I feel it is a normal thing. This digital DSP5 switch allows you to easily change your EFILive DSP-5 tune at the push of a button. This black smoke is then drawn back into the air intake via the EGR valve. I am working on a friends 2003 Chevy 3500 4x4 crew cab dually that he bought new and it now has 90K on it. If it isn't injector could be fuel pressure regulator, and or head gaskets. From my experience with the 1st gen Duramax ('01-'04. unusual amount of exhaust smoke or are at higher altitudes (over 7,000 ft. 8-liter Duramax turbo-diesel four-cylinder, a precision-engineered engine that expands the Canyon's already formidable capabilities, including trailering capacity of up to 7,700 pounds (3,492 kg). This is my personal 2002 Chevy Silverado 2500 HD Duramax 4×4. approx a month ago it developed a rough idle/ white smoke/ fuel knock issue that was intermittent, after bringing it to the dealer the issue was fixed under. LLY Duramax runs rough at idle. I've noticed lately too that at WOT the smoke isn't a deep black like it used to be, it can be a little lighter in color sometimes. Poor atomization at the nozzle end can also be evident by a white/blue smoke at idle with the engine warm, going away when the engine is under load. Started car this morning and it is like the engine has no power, and the idle is not smooth and responsive. White smoke (when the car is warmed up, not so much when first starting it in cold weather) usually means coolant is getting into the combustion chamber. 5L Gasoline Turbocharged Direct Injection (GTDI) engine may exhibit blue or white smoke from the exhaust while driving after extended idle. 3l PS white smoke/no power/ rough idle????? - Hey guys i need help!! I bought my 99 f350 7. White smoke could be steam, if you are loosing coolant could be as sign of a blown head gasket. Air shows starts when I get on the gas after idling. Runs and idle's as always. You might find that swapping out your current engine with a DuraMax engine gives your car or truck a boost. When I drive, it is just medium constant white smoke unless I press hard on acceleration, then it comes on hard. It only puffed some white smoke at idle and then cleared right up after I gave it a little rev. I let the truck sit over night and came back out and started the truck back up and the ticking has stopped and it sounds fine at idle but still pores white smoke and when given throttle it is rough running through the rpm range and the more throttle you give the more white/grey smoke pores out. Before you go the mechanic, try Diesel Extreme. 3l psd about 6 mons ago, ran awesome best truck a kid my age can ask for. How to Fix Black Smoke. Poor atomization at the nozzle end can also be evident by a white/blue smoke at idle with the engine warm, going away when the engine is under load. "Bad" fuel injector and excess fuel causes black smoke, gray blue smoke on acceleration or after prolonged idle is oil related ( engine mechanical issues). 2002 duramax blows blue smoke at idle - Chevrolet Silverado 2500HD question Excessive white smoke or a coolant type odor coming from the exhaust pipe, along with. These issues tend to be VERY expensive. Exhaust has blue smoke at idle regardless of temps. No loss in milage or power, headgasket? Any help is greatly appriecated. It's a temporary fix, but I am curious as to how well it cuts down on the white smoke at idle. Duramax white smoke during acceleration Chevy Diesel Diagnostic information for 6. If Your Diesel Engine Won’t Start. In this guide we explain the different kinds of smoke a car could emit and what they could mean. approx a month ago it developed a rough idle/ white smoke/ fuel knock issue that was intermittent, after bringing it to the dealer the issue was fixed under. I have a 2004 GMC with the LB7. I am in a '16 Tacoma and I absolutely love it. Hunting idle concerns may indicate fuel pressure control problems. White smoke can be a big problem or not, depending on the thickness. When injectors are the root cause of this issue, they are allowing too much fuel to enter the cylinder over too long a period of time. , it’s over heating coolant was low, topped off but like it stay at the same coolant level but while driving turn on heater n it seems to cool the car. We pulled a 10,000 lb trailer for 6 hours and it pulled like a dream. any help would be greatly appreciated. White Smoke White smoke can be caused by either excess fuel or an internal coolant leak in your engine. It's not burning oil, but does seem to be loosing coolant? It runs good other than the blue smoke. Had s guy take a look and say it needs a rebuild. not long after he first bought it it had the #7 injector connector issue that caused a mis and low power, that was fixed under warranty and all was well until recently. A common issue with the GM 6. It is like the car is flooding o. Has good power, boost gauge goes to 20psi and egt gauge (goes to pass side manifold) stays under 800, idle around 250. Chevy/GMC Duramax 01-04 LB7 - Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines Loping at idle/NO throttle response at all. Runs and idle's as always. Let Hot Shot's Secret help you diagnose and solve your excessive white smoke issues with your 6. 03 Duramax Rough Idle. How to Fix Black Smoke. 2002 2500hd 6. Black smoke comes from air leaks in the intake system downstream of the MAF sensor. Engine Misfire - Rough Idle. I'm only running 45 overs in my Duramax, but it hazed something awful, I cleared most of it up by getting the pulse tables so the idle fuel amount was close to stock, and fine tuning pilot amount and timing. talk about a ton of white smoke. To the point of rocking the truck a little. Austin Fernandes. As for now I think you should just live with it. Ideal for treating acne spots directly. 7 Duramax Dodge L Plug GMC Race Rail 05-10 $9. The exhaust is white smoke, at first only when starting and then went away. Even in my owners manual they say white smoke is normal on cold starts. I will post a video of the before and after video. No white smoke or black smoke, and clears up just off idle. 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. It does not run rough and does not misses at idle or on highway 2. All so when my truck cut out it was not nearly as dramatic as that, no smoke, no noise, just lost power untill it hit idle then it was fine again:confused:. Any help will be much appreciated. Duramax Injector Failures-Cause and Prevention LB7: Many LB7 owners have had injector issues. No white smoke at startup or while driving. You might find that swapping out your current engine with a DuraMax engine gives your car or truck a boost. Had around 150,000 when I bought it. Is white smoke always injectors? Any and all comments welcome. All so when my truck cut out it was not nearly as dramatic as that, no smoke, no noise, just lost power untill it hit idle then it was fine again:confused:. Accelerated seeing the white smoke pour out of the exhaust. What would make my duramax smoke at idle × Comment Anonymously WHITE SMOKE occurs when. White smoke (when the car is warmed up, not so much when first starting it in cold weather) usually means coolant is getting into the combustion chamber. When I start my truck the exhaust smells like crude gas and continues the whole time running. Engine has a very bad vibration / rattle at idle which is fuel injection related and does not feel mechanical. Duramax white smoke during acceleration - Herpeset - Natural Herpes Relief Herpeset - Natural Herpes Relief Duramax white smoke during acceleration. Black smoke from the exhaust may occur when the air filter becomes clogged, resulting in an improper fuel to air mix. These issues tend to be VERY expensive. The injectors would fail in three different ways — all related to the injector's body becoming cracked. I've noticed lately too that at WOT the smoke isn't a deep black like it used to be, it can be a little lighter in color sometimes. Smoke only increases as the engine get hotter. It eventually clears up. If Bosch is so great, why are mine and everyone else's failing with low miles ? I'm nervous of Bosch for replacement. Hunting idle concerns may indicate fuel pressure control problems. Now after doing the above work, It doesnt seem to stall or hesitate like before. Engine Misfire - Rough Idle. What is this truck like to live with on a regular. From my experience with the 1st gen Duramax ('01-'04. This is a common failure and is most often caused by wear in the injector nozzle resulting in incomplete sealing. This is my personal 2002 Chevy Silverado 2500 HD Duramax 4×4. 2003 Chevrolet Silverado 2500 HD 6. It's a temporary fix, but I am curious as to how well it cuts down on the white smoke at idle. When I start my car for the first time every day, I have white smoke come out my exhaust usually for about a minute or two but it runs fine after that. If your Duramax emits excessive white smoke while idling it most likely needs new injectors. Other intake components may also cause fuel to feed too quickly into the engine. 6 duramax diesel is blowing smoke and has loss of power. Please visit us at VFIdiesel. Before you go the mechanic, try Diesel Extreme. It has 165,000 miles on the clock, and I have owned is for nearly eight years. The idea behind a colon cleanse process is to eliminate the toxins which have built up in your digestive system. Both times the truck was parked on an incline. Blowing White smoke at idle I just wrapped up a 3000 mile road trip pulling a 30' enclosed trailer filling up with fuel from dozens of locations along the way. As long as it doesn't idle for a long time, the smoke thing doesn't happen. Introduced in January of 2004, the RPO code LLY Duramax 6600 incorporates a number of significant technology changes. White smoke is not caused by the fuel system cleaner, rather it is emitted when the fuel filled into the cylinder is not burning properly due to: petrol/water in the fuel, low engine compression,fuel starvation to the pump, and pump engine timing out. What models will a DuraMax engine for sale and components fit? DuraMax engines and engine components are made for quite a few major vehicle manufacturers. Duramax LB7 injectors are also known to develop external leaks. The BD-Power 1715522 Remanufactured Fuel Injector for your 2011-2016 GM 6. 2005 LLY Duramax / ZF6 6 speed with 220,000 km (135,000 miles). my lb7 has 187k on it and its beginning to smoke white at idle. C1-71 is the position to add the terminal for the high idle for the Duramax diesel. 2015 duramax white smoke - Revitol Stretch Mark Removal Natural Revitol Stretch Mark Prevention 2015 duramax white smoke Benefits: Promotes healthy skin; Helps increase production of collagen and elastin in the epidermis; Increases the elasticity and strength of the skin ; Decreases the appearance of existing stretch marks. " Ended up going to the Anthony Lakes area and was up pretty high, even poking around in 1st gear for 45 minutes & barely touching the throttle didn't produce any smoke or haze at all (this was at 6600-6900 feet). If your Duramax emits excessive white smoke while idling it most likely needs new injectors. my 2003 chevy duramax is smoking at idle (light grey, with a smell of unburnt desiel). Are they all negative, or did you just list them with a dash (indicating they are all positive)?. I have a 96 mercury Sable no leaks on the ground, no milky substance, but there was a Lil white smoke not much after starting up after sitting for a couple months but cleared up no smoke at all now, but after driving the car for 15, to 20 min. Has good power, boost gauge goes to 20psi and egt gauge (goes to pass side manifold) stays under 800, idle around 250. What models will a DuraMax engine for sale and components fit? DuraMax engines and engine components are made for quite a few major vehicle manufacturers. The key of longevity for any engine is regular maintenance. I have an '04 Sierra 3500 Crew Cab with the 6. When I start my truck the exhaust smells like crude gas and continues the whole time running. It does not always happen, just time to time also noticed when stationary there is an unusual vibration as in was not there last week when I used the car. Simple things to check and sure alot cheaper than injectors. If your Duramax emits excessive white smoke while idling it most likely needs new injectors. Apparently about 15,000 miles ago the truck began losing power and smoking excessively. I just bought the truck 2 weeks ago, 400,000km and injectors were replaced at 280,000km. At an idle (and worse in gear) these early Duramaxes will haze smoke at idle. First thing all of us Mechanics, automotive Diagnosticians, and Gear heads want to know is:. " Ended up going to the Anthony Lakes area and was up pretty high, even poking around in 1st gear for 45 minutes & barely touching the throttle didn't produce any smoke or haze at all (this was at 6600-6900 feet). 6L Engine Smoke Posted to GM Driveability on 10/24/2011 7 Replies I've got a customer that has a 03 chev. 2012 duramax white smoke LB7: Rough Idle with White Smoke (Injector or Cracked. At my final fill up I noticed that while idling while fueling that the truck was blowing white smoke at idle. 1999 - 2003 7. Duramax white smoke during acceleration - Herpeset - Natural Herpes Relief Herpeset - Natural Herpes Relief Duramax white smoke during acceleration. I have a 2002 chevy silverado 2500 hd 6. Our Automatic Engine heating system which along with standard pre-heating has optional simultaneous and post heating option and will eliminate white smoke emissions during startup. As soon as the truck is driven, the white smoke should stop and won't re-appear until the next cold start. If your Duramax emits excessive white smoke while idling it most likely needs new injectors. I can hear the engine "laboring" at one spot and it lunges forward at that exact spot. 9 for this ???. "Black smoke" is one of those general symptoms that seems to indicate a problem, but which bears further investigation to figure out what the cause is. I'm new to the diesel truck world. 03 LB7 with 320K miles on the clock. Injectors have about 120K. They do not completely stop spraying fuel when they are OFF. Multiple dealership visits have yielded minimal results. ford-trucks. Two forces control diesel engine evolution for all engine manufacturers - Emissions compliance and market share. 6 Duramax and Alison trans. Sign up for our newsletter today. Recently in the Heavy Duty/Fleet forum there has been discussion about white exhaust smoke on these engines at idle. 01-04 LB7 greyish/white smoke at idle, take off and blue smoke. Lots Of White Smoke Out of Exhaust Pipe. The truck runs amazing and havnt had any problems aside from the prevalent hard 6-5 shift. Evidently running too much engine oil caused it to "load up. A buddy of mine sent his injectors off to be rebuilt in his 01'he installed them and vapor locked the motor, pulled the injectors and turned engine over cleaned out cylinders, re installed injectors and truck has a hard start, a ton of white smoke which turns to greyish when you give it fuel, truck has a miss and is not running very good and also has a knock. Smoke only increases as the engine get hotter. DIY diesel problem diagnosis Black smoke means there's too much diesel and not enough oxygen, so the carbon in the fuel doesn’t have enough oxygen to combine with. 6L LB7 Duramax engine. It should be taken as an indication that there is a problem existing (or developing), that will potentially shorten the engine life, or result in unnecessary costs. It doesn't take much, but if tis white smoke has beenn going on for months without coolant loss, I suspect youare right it isn't the head gasket. Welcome to the Diesel Bombers. As for now I think you should just live with it. Poor atomization at the nozzle end can also be evident by a white/blue smoke at idle with the engine warm, going away when the engine is under load. A sticking piston and needle will cause wild amounts of white or black smoke and noise when the injector dumps far more fuel than that cylinder can handle. I just bought the truck 2 weeks ago, 400,000km and injectors were replaced at 280,000km. The technology changes introduced with the LLY address both of these forces. What You Need to Know About Duramax Balance Rates. Why does your 2002 6. I let the truck sit over night and came back out and started the truck back up and the ticking has stopped and it sounds fine at idle but still pores white smoke and when given throttle it is rough running through the rpm range and the more throttle you give the more white/grey smoke pores out.