what could cause my truck to start smoking? on 1997 Chevrolet S10

I changed the pvc valve but it's still smoking. The oil is good.

by in Athens, TN on January 28, 2014
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1 answer 2 comments
ANSWER by , January 28, 2014
Blown head gasket, if white smoke, running rich, if black smoke, valve guides/seals, if blue smoke.
COMMENT by , January 28, 2014
Thank you very much
COMMENT by , January 28, 2014
U welcom. Just some possibilities. Really needs to be checked by a mechanic!