by DukeofDixie on February 10th, 2007

DukeofDixie

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2000 chevrolet silverado, misfire on #5 cyl,test says EGR valve, replaced this and no change, replaced plugs, no change, but now test says multiple misfires, ran compression test 75% on 3 cyl. and 71% on the rest, this is a 5.7 liter engine with 160,000,

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Answers. 2 helpful answers below.

  • by geek860 on February 10th, 2007

    geek860

    Did you check the wires?

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  • by oaaah on March 3rd, 2011

    oaaah

    substitute the #5 coil with a good one and also check the spark plug boots on all the cylinders

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You're reading 2000 chevrolet silverado, misfire on #5 cyl,test says EGR valve, replaced this and no change, replaced plugs, no change, but now test says multiple misfires, ran compression test 75% on 3 cyl. and 71% on the rest, this is a 5.7 liter engine with 160,000,

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