Mechanics

WHAT' THE MOST LIKELY CAUSE OF THEXHAUST SYSTEM SMOKING BLUE OR WHITE SMOKE?

1986 Toyota Camry • 58,000 miles

It will smoke a small to moderate amt of white/blue smoke if I idle for 20 minutes or more
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Astilling
August 19, 2012.



That is an indication oil is being burnt in the cylinders or getting to the exhaust system. It could be worn piston rings but the higher percentage would be the valve seals.

KHLow2008
Aug 19, 2012.
What condition do you have on cold start up at idle? Any smoke?

Mhpautos
Aug 19, 2012.