Mechanics

MY RUNS GOOD WHEN FIRST STARTED THEN SMOKES AFTER 5 MINUTES

1990 Chevrolet Truck • 200,000 miles

My 1990 Chevy 1500 was parked since 2008
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Vern254
September 13, 2011.



Would you say smoke is white, gray/blue or black?

Docfixit
Sep 13, 2011.
The smoke from my truck is gray

Tiny
Vern254
Sep 14, 2011.
That would be oil was truck started and run periodacaly? If no then good chance valve stem oil seals dried and cracked allowing oil into cylinders. And with mileage valve guide wear and seal failure is the cause of smoke.

Docfixit
Sep 15, 2011.