Question about 2001 Chevrolet Silverado 2500HD

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6.6 liter diesel blows blue smoke

Chevy 6.6 litr diesek blows blue grey smoke no codes present

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Check turbo tubes for oil. If wet turbo is leaking. otherwise you may have rings leaking, how is compression?
Also there is a crankcase pressure soleniod in left side of enigine block, it should NOT rattle.

Posted on Jul 02, 2009

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Posted on Jan 02, 2017

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Have LT 1536 . Smoke started coming out the exhaust but engine sounds healthy


Depends on the colour of the smoke.
Unlikely an engine will sound healthy emitting black smoke - excess fuel.

An engine could sound healthy emitting white smoke (steam from coolant) but not from white smoke (excess unburned diesel).

Most engines emitting blue or blue-grey smoke from burning engine oil can sound very healthy.

Dec 10, 2017 | Cars & Trucks

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Peugeot


Blue/grey normally means your car is burning oil, could be head gasket or cylinder/rings......be careful of car going into high revs.

Mar 17, 2014 | Cars & Trucks

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My 2004 kia k2700 tu diesel is just idling and as soon as you acelerate it stops. Just clean out fuel lines with injector cleaner and cleaned fuel tank and still does it as well as blowing blue grey s


Check the seal aroud the accelerator shaft on the pump. If the seal leaks reduced pressure in the pump will not allow the governor system to work properly The smoke color is the give away to a faulty pump

Jan 07, 2013 | Cars & Trucks

2 Answers

My mazda 626 has a strong potent smell coming from the exhaust


You don't mention what that smell is reminiscent of?

You don't mention the colour of the "smoke" and you didn't say whether the engine is petrol or diesel?

You don't mention whether the road behaviour/performance is normal?

White smoke is almost always steam or in the case of a diesel it could be an unburned fuel mist, grey/black is excess fuel and blue or grey/blue is burning oil.

Some steam is fairly normal until the engine and exhaust system is hot but excessive amounts could be one symptom of head gasket trouble. If the engine is drinking coolant and sending it through the exhaust as steam it will sometimes smell spicy.

Burning oil smells a bit like burned eggs in the frying pan.

If the car hasn't ultra-low sulphur oil and fuel the catalytic converter will convert sulphur traces into hydrogen sulphide - the bad egg gas...

Sep 27, 2017 | 1998 Mazda 626

1 Answer

2 litre X type diesel smoking


TELL ME COLOR SMOKE YOU SEE, BLUE SMOKE ENGINE BURNING OIL, WHITE SMOKE FUEL INJECTION TIMING OFF OR BLOWN HEAD GASKET,BLACK SMOKE YOU HAVE RESTRICTED AIR FLOW DUE TO STOPPED UP AIR FILTER.

Jul 31, 2011 | 2002 Jaguar X-Type

1 Answer

Thinking of buying an a4 tdi 1.9 diesel - seller says it smokes (grey) under heavy acceleration. Should I avoid it? Or is it livable wth (200k mileage)


grey smoke on acceleration is NORMAL for this engine,white or black avoid like the plague.....you could use an injector cleaner,redexe/wynns or similar.i use it every 25k,and (touch wood) no funny noises/smoke YET.expect oil consumption to be better than 500k per litre or a rebuild is needed.

Nov 15, 2010 | 1997 Audi A4

2 Answers

My ford 6 liter blows blue smoke under acceleration and while stopped at a stop light the compression was checked and all cylinders are good any ideas ???


Engine Smoking:
.
Black Engine running rich Possible Failure
-Map sensor, fuel injector or fuel pressure regulator.
Blue -Replace Faulty Transmission modulator valve
White Possible Failure. -Head gasket.
Hope this tip helps.
r/
David

Mar 10, 2010 | 2001 Chevrolet Silverado 2500HD

5 Answers

2005 Ford F350 SuperDuty 6.0 litre Diesel. Truck was very sluggish to accelerate and little or no boost showing on turbo pressure gauge. Next morning, it started fine, but when put in gear would quit and...


well the question is where did the coolant go. if it didnt leak out it must have went out the pipe. As you stated, white smoke, white smoke is coolant. You definately need to get this to the shop. You cannot drive it this way or further damage will occur.

Nov 21, 2009 | 2005 Ford F 350 Super Duty

1 Answer

6.9 litre diesel losing power over last few days of driving, changed fuel filter no difference,cannot get enough speed up to allow trany to shift, bogging bad. and blowing blue when reved, not black....


Blue smoke is oil. With blue smoke and no power you should take the truck to a diesel reair shop to have it looked at. It could be that the valves need adjusting or it could be broken rings or a cracked piston, all of which are beyond the scope of online diagnosis. With a diagnosis in hand, you should pick up a copy of Haynes Diesel Engine Repair Manual, part #10330. It can help if you think you want to attempt the repairs yourself. Hope this helps.

Nov 18, 2009 | 1986 Ford F 250

2 Answers

Engine smoke and doesnt start easy when it is cold


Ones the diesel engine gets weak its thn a hard start!, becausea diesel engine mainly fires up on good compression, i guess its time for an engine overhaul .

May 06, 2009 | 2005 Hyundai Santa Fe

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