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White smoke out of exhaust is usually indicitive of water or coolant in the combustion chanber/ chambers of the exhaust. Usually caused by a blown head gasket. A costly repair. clean pipes to and from intercooler and clean intercooler .and clean crankcase breather.

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Q: What would cause a 1991 Volvo 940 Turbo to have white smoke come from the tailpipe?
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What would cause blue smoke to come out of your tailpipe on 97 Volvo 850?

Blue smoke is burning oil.Blue smoke is burning oil.


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blow by through the turbo ,my truck did the same thing had to get the turbo rebuilt


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Would a bad head gasket cause loss of oil to come out the tailpipe?

No. A bad head gasket would cause water to come out the tailpipe. You will see white smoke. Leaky rings would cause oil to come out the tailpipe. You will see blue smoke.


When you smell gas and white smoke come from tailpipe what is the problem?

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it can be unburned fuel damaged turbo charger etc. light amount of smoke can be normal large amounts = problem.


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Does white smoke from the tailpipe mean you need to refurbish the engine?

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