1997 chevy s-10


Old 07-14-02, 09:30 PM
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1997 chevy s-10

I have a 1997 chevy S-10 with a 2.2l engine with slightly more than 58,000 miles on it. It recently broke the timing chain. There was no catastophic failure. I put the clutch in to downshift, when I let it out the engine was dead. I had the timing chain, cam and crank gears, and tensioner replaced at a local shop. when i went to pick it up it had a miss and the service engine soon lite was on. The mechanic said that the error code was p0304, cylinder #4 misfire detected. He said a valve may be damaged and I needed a valve job on the engine. I asked him what the compression was (135) which was good. I changed spark plugs and plug wires which did not correct problem. I took it to another shop and had an engine diagnosis done. They checked plugs, wires vacuum hoses and the power pack for #1 and #4 cylinders and could only confirm that #4 had a misfire but #1 was firing correctly and that the power pack was good. I would appreciate any advice!!!!!
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Old 07-14-02, 09:41 PM
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What was the #4 compression compared to the others in the engine?
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