why does my firebird let out smoke when started

Asked by Mar 24, 2010 at 05:16 PM about the 1986 Pontiac Firebird

Question type: Maintenance & Repair

my 86 firebird lets out a puff of grey smoke when stated in the morning or after a while of sitting. what is the cause of this?

5 Answers

9,060

This is commonly caused by oil leaking past worn valve guides when the engine sets.

2 of 2 people found this helpful.
11,945

Or the valve guide seals have cracked and broken away from the guide. Valve guide seals is usually the repair for this problem however it is a bitch to do.

9,060

Also check your pvc system. Under certain circumstances you can get a clog that can cause pressure in the head and force toil through the guide into the cylinder.

5

usualy bad head gasket or valve seals depending on color of smoke

valve seals .

1 of 1 people found this helpful.

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