Question about 1994 Chevrolet C1500

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1994 chevy cheyenne smokes

I have a 1994 chevy cheyenne that smokes from the tail pipe it looks white to me but some people think that it is blue. i was told that it was the valve stem seals but they were not sure. before i put alot of mone into this could you give me some options on this

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UNFORTUNATELY THIS WAS A COMMON PROBLEM FOR THIS ENGINE. I WOULD REPLACE THE VALVE STEM SEAL FIRST BEFORE TEARING UP THE ENGINE LOOKING FOR ANOTHER TYPE OF PROBLEM, RINGS, PISTONS, ENGINE BLOCK, ETC.

Posted on Jun 03, 2009

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If its white Check your water is keeping its level Could be head gasket bown.If its blue then its burning oil witch could be valve stem seals or piston ring wear,

Posted on Jun 03, 2009

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I would recommend you check the seal of everything and make sure it is cleaned that had to do with vacuum or fuel distribution. EGR valve (gasket fails sometimes) IAC valve, MAP and MAF sensors, Fuel injectors, FPR (this will need replaced if leaking),

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