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Normally it would be due to valve stem seals, however oil rings may be the cause.
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∙ 14y ago
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Will car smoke if it has a bad head gasket?
Yes, normally it will blow white or grey smoke that smells sweet. But it can be that it does not smoke if the coolant is not entering the combustion chamber. In that case the oil level will be overfull and there will normally be a grey foamy substance on the underside of the oil fill cap. Also you will be loosing coolant with no apparent leak.
Can a car with black smoke coming out of it blow up?
YES
Why does your engine fan stays on?
to blow out the smoke the car produced
Why would a car blow blue smoke then clear after about 20 miles?
My guess would be bad valve seals and/or worn valve guides.
Why does a car a Blow smoke when accelerating uphill and b after driving downhill blow smoke when accelerating back uphill?
its getting ready to explode. jump out quick
Why when you push the accelerator would your car blow a lot of smoke?
White smoke = Coolant leak, head gasket is the likely culprit. Blue smoke = Engine burning oil. Black smoke = Engine running too rich, wasting fuel.
What does it mean if your car emits white smoke?
a blow piston or a head gasket in your engine
Why does your car only blow heat when moving?
the smoke comes out the rear of the car in a pipe. the smoke comes out only when the engine is on. you do not have to be moving to have smoke come out. just the fact that the engine is on creates smoke due to the byproduct of the fuel and energy.
Why does your car buck and blow black smoke after it has warmed up?
what type of vehicle ? black smoke is a rich fuel condition carb. loading up or chock sticking closed would be the first place to look
What makes a car blow blue smoke only when car is idling but when accelate it goes away?
high miles, try going to auto zone and getting some stop smoke, it's an oil aditive
Why would the 1983 Chrysler new yorker have grey smoke coming out the tailpipe?
if it is bluish-gray smoke, you might have one or several busted oil rings. when the engine gets to this point, it is in your best interest to have the engine completely rebuilt, or get a new car
Would a leaking cylinder head gasket make a car blow blue smoke and would the smoke be continuous?
Yes, but so would really worn valve stems or guides. Either case, you gotta take the head(s) off, then do both! Head gasket(s) and a valve job.
