Question about 1992 Chevrolet S-10 Blazer
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Posted on Jan 02, 2017
SOURCE: My 2000 Chevrolet S10 ZR2,
I have done a full engine replacement on these, a zr2 to be exact. I have found that a p0300 (multiple misfire) usually points the the Piece of **** injection spider, then I had a p0301 as well after replacing that with the multiport unit upgrade and found that the spark plug electrode folded over shorting to the center conductor.
Posted on Sep 20, 2009
Check the fuel pressure at the fuel rail on top of the engine it should read a minimum of 30 psi if any lower replace the fuel pump, also if you smell a gas odor and the fuel pressure regulator looks wet with gas replace the pressure regulator before the fuel pump. This sounds like a fuel delivery issue.
Posted on Dec 29, 2009
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