Question about 1991 Acura Legend

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White smoke but no leaks

Car runs hot upon exceleration but cools when idle, also white smoke out of tailpipe when press on gas, but there are no oil or coolant leaks.

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When the engine is cool start the engine squeeze a radiator hose if it is a safe place, rev the motor if the hose starts to get hard the head gasket or head has a very small leak. It will take a long time for the anti-freeze to burn trough the exhaust and there mayl not being external leaks

Posted on Mar 05, 2009

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White smoke is coolant in your combustion chamber (piston).
Indicative of cracked head or leaking head gasket.
You can do a compression check on the individual cylinders to check for cracks, but acuras are notorious for failing head gaskets and warped heads.
Have it repaired before it costs more later down the road.

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Posted on Mar 05, 2009

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With smoke coming out of tailpipe p301


White smoke coming out of the exhaust on any gas powered vehicle is a sign that you have a blown head gasket allowing water from the cooling system to enter the cylinder, and when the piston comes up for combustion stroke and fires it turns the water to steam. This is also bad for allowing coolant to get in your oil, which anti-freeze in your oil will ruin the journals (Bearings) on the crankshaft (Major Engine Repair) costing several thousand dollars *NEW* !

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If it's blue-white then What you might be seeing is oil burn-off from leaking valve guide seals. The next time you have the oil/filter changed, have a high mileage oil installed. - See more at: http://community.cartalk.com/discussion/2294478/white-smoke-coming-from-the-tail-pipe#sthash.jVo0zDhw.dpuf

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