1997 Chevrolet S10 Q&A

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

I changed the pvc valve but it's still smoking. The oil is good. -
Answer 1
Blown head gasket, if white smoke, running rich, if black smoke, valve guides/seals, if blue smoke. -
Comment 1
Thank you very much -
Comment 2
U welcom. Just some possibilities. Really needs to be checked by a mechanic! -