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Lots of times, a fuel filter that needs changed out is not noticeable except when under full power, and it can blow white smoke. Blowing white smoke is a red flag for your diesel engine, yet we see this happen all the time to our customers. This may be due to natural deterioration or a … Apr 22, 2018. minirunr said: Hello. I have never seen brown smoke out of a duramax. The fault is uncommon and will need the help of a professional to fix. In this day and age of using AddBlue or DEF (Diesel Exhaust Fluid), the engines also have DPF (Diesel Particulate Filter) which traps the black soot from the exhaust. A little bit of white smoke when you start the car can be the engine warming up and getting rid of condensation but a lot of smoke when the car is running can be the sign of a few problems in the car. Every vehicle has valves that open and close. Location. A diesel engine in good condition should produce no visible smoke from the exhaust, under most operating conditions. Hi, Girlfriends 2000 Honda CRV with 220,000 miles runs great, idles great, shifts great and has plenty of power. What causes black puffs of smoke when accelerating diesel engine? Blue Smoke From Exhaust When Accelerating. White smoke can indicate overheating, but the “smoke” is actually steam that’s produced in the exhaust system rather than as a result of an overheating engine. I recently have noticed problem of a loss power when accelerating, and a lot of black-gray smoke coming out of the exhaust when hard accelerating and i have my back of the car all completley dirty, lights, plate, bumper. You can tell a lot from exhaust smoke and a faulty turbo will cause excessive exhaust smoke of a range of colors. This symptom might be caused by a leaky valve seal or a piston ring issue. If the exhaust smoke is blue or gray: Thick blue or gray smoke is an indication of the vehicle burning oil, which means that oil is somehow leaking into your engine’s combustion chamber. Black smoke indicates an engine air-fuel mixture that is too rich — meaning there’s too much fuel and not enough air. INJECTORS STUCK OPEN OR WITH EXCESSIVELY LEAKING NOZZLES DIANOSIS 1. Can be caused by a leaky injector, low compression dodgy glow plug carbon on the piston rings. I cant notice any excessive oil consumption either. White smoke from the exhaust can mean many things, but one of the most common problems is when the engine is running hotter than usual. I been buying diesel at a truck stop for 3.82 a gallon and it's defiantly rug quality. What are the Main Causes of Black Smoke from Exhaust? Marine diesel white smoke from exhaust. I know it's not normal but the car runs fine. It’s also possible that your fuel injectors are clogged, which render them effectively useless. Worn and damaged injectors are often the cause however there are other causes and considerations that should be looked at prior to injector replacement. The acceleration continues, though the 190E was never a rocket. The underlying cause may be incorrect injector timing or an injection control problem. Main Causes Of Blue Smoke From Exhaust. White steam is water. Balck smoke is partially burnt diesel- basically it means the car is chucking a shed load of diesel into the bores, its not all being burnt, and is being chucked out again as soot. 2005 Jeep Grand Cherokee Hemi Limited - The girlfriend DD that I own, bone stock but quick Truck has 140K. ( unless the exhaust is rusted) White, bluish gray, and black, are the only colors of smoke that relate to fuel issues. Burning oil like this can cause a wide range of issues from reduced fuel economy to less-than-stellar acceleration. Look for signs of oil. Nothing more fun to a diesel guy than seeing a Prius with the windows down and blowing a bunch of black smoke that way. The following day I did notice a fair plume of white/grey smoke in my wake, and within another 24 hours, the acceleration reverted to its current state, although the smoke has stopped now. In this article, we divide these reasons into 2 groups: blue smoke from exhaust when starting and blue smoke from exhaust when accelerating. I did vcds scan and no fault codes found. Smoke coming from the tailpipe of your Volkswagen can tell you a lot. Excessive Exhaust Smoke. I bought the vehicle second hand and am pretty happy with the overall performance etc. Perhaps you see when you’re starting the car, particularly in cold weather, or there’s smoke when accelerating. Solving your smoke issues White smoke from the exhaust of your marine diesel can be worrying but the below are some diagnostic checks to narrow it down before forking out for a mechanic. It just started doing this, no smoke before then. Good 40 cetane diesel makes a difference. This creates a blue colored smoke which is passed down the exhaust system and then exits the car along with normal gases. Truly gray smoke is most frequently caused by burning transmission fluid. I would suggest that the smoke is actually steam and you may be getting water into the piston somehow. Check the Level of Coolant. I run Power Service grey in it low or no smoke at start up. The PowerStroke fuel injection system is designed for diesel burning vehicles. White exhaust smoke means fuel is not burning … 262 000km. im having a similar problem, i have a 2002 7.2 with 330K today i just noticed that i was getting a grey smoke out of my exhaust and and somewhere near the turbo couldnt pin point exactly where it was coming from i will be removing exhaust next weekend to replace with mbrp i will let you know if i see anything that might help you, Im sure i will need to rebuild my turbo soon Excessive Exhaust Smoke. Diesel Cars ; If you are noticing black smoke coming out of your diesel car then the chances are this is due to soot build up or the diesel … Check the Level of Coolant. White smoke can either be very light, just like vapor, or it can be dense and heavy smoke. On a newer vehicle with fuel injection, black exhaust smoke can be caused by one or more leaky fuel injectors, too much fuel pressure (sticking fuel pressure regulator), a faulty MAF sensor or Oxygen sensor, or a engine computer fault. See, how you can get rid of white smoke from the exhaust. What Makes Blue Smoke From Exhaust When Starting? This boat has a bad case of black smoke, a sure sign of excess, partially combusted fuel. 33. I've had the fuel injectors replaced just before the 200,000 mile warranty. Because, excessive exhaust smoke means you have an engine issue on your hands. Recently purchased a 2008 MCS on about 77,000 miles. Let’s review these one by one. The newest generation of clean diesel engines hasn't quite eliminated the smoking, but excessive smoke remains a bane of the malfunctioning oil burner. Almost to the point of having a chip/tuner installed. Gray or black exhaust smoke in a diesel engine could be indicate several problems: Wrong grade of fuel used. Cobby Dale. Diesel Cars ; If you are noticing black smoke coming out of your diesel car then the chances are this is due to soot build up or the diesel … When there is white smoke coming from the exhaust, it can mean a few things. Seems to run well around town and such. Warm starts its fine and when ive stopped i dont see any smoke coming out. It signifies your engine is burning oil as a result of an oil leak. Remove IGN 1 relay. The truck is stock, fuel filters changed 6k ago, air filter changed 10k ago, oil changed 2k ago. Let’s consider some of the symptoms that will help us tell how bad things are; Newer electronic diesel engines with common rail injectorssimultaneously match the speed of the turbo with the metered flow of diesel fuel into the cylinder. Poor Acceleration. 1. In most circumstances, … Being a diesel you will consume a bit of engine oil in the cylinder. This may be caused by faulty injector pump and/or lift pump (which allows engine lubricating oil to mix with the diesel). Blue or Grey Smoke If smoke that is coloured blue or grey is coming out of your car's exhaust pipe, this generally means that your car is a little bit too thirsty on the oil. Step 5 – The smoke could be a byproduct of the DPF Regen (diesel only) If your truck is a diesel and produces white smoke while warming up, this is completely normal. 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