0 Compression

1992 CHEVROLET SILVERADO
247,000 MILES
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ANONYMOUS
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i checked compression all cyclinders are at about 175 accept cylinder number 4 has 0 what does that mean what should i do next.
Nov 10, 2012 at 7:45 PM
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ASEMASTER6371
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you need to find the failure by inserting air to see if it is a valve or a broken piston. either way, you are looking at a major repair.

Roy
Nov 10, 2012 at 7:48 PM
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