Question about 1997 Chevrolet K1500

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I have a 97 chevy silverado. i have a misfire on number 1. The plug is soaked with gas. i have changed the plug, wire, coil, and the injector. The plug has spark.

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  • preston_begg Jan 06, 2011

    my compression is 140 on all cylinders on that side

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Only other thing it could be is no compression, like a burnt valve or bad piston rings-no other possiblilty

Posted on Jan 04, 2011

  • mike mountain Jan 06, 2011

    engine needs compression, fuel, spark and air...you say it has spark, is soaked with fuel (so I assume you changed the plug for a new on, hence you said new plug)-say it has 140 PSI compression...it must have air...you are missing something. Check it again, does it 'have' spark? If the plug is 'wet', is the 'new' injector defective? How did you test compression-were all plugs removed, throttle completely open, are readings before or after you sprayed oil into the cylinders to see if the compression was different from the top end readings?
    There has to e a reason why it is not running, I want to help.

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