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  1. #1

    Default Did advice and help on fixin a miss

    I have a 05 silverado z71 4x4 with the 5.3 engine. I have a missing problem # 6 cylinder. I have changed plugs and wires and still missed on #6 cylinder. Changed #6 coil out. still missed. Thought plug was fouled out switched #5 to #6 cylinder. Still missed. Then switched injector and still missed. Checked the plug and it is gettin fire. So what is my problem. Suggestions are highly appreciative!l

  2. #2


    do a compressions test. fuel rail clog? back cylinders get clog first. good luck

  3. #3


    I did a compression test already too and it was 135. And i switched the injectors around

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