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2001 Chevrolet Blazer Question: what causes my blazer to miss fire on the number four plug when it gets warm

 

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cool rider, Hurst, TX, April 12, 2012, 09:46
 Rookie

when put on the computer it shows the number for plug to be miss fireing but it only does it when it get warm up

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  • Answer #1

    Greg's Orange Auto (13211 Answers) , Orange, CA - (714) 361-9386
    globalhelper April 12, 2012, 13:17
     Master

    COULD BE PLUG, WIRE OR A NUMBER OF OTHER THINGS

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    cool rider, April 12, 2012, 14:36
     Rookie

    ok ive changed the plug wires the rotor,distributer cap,plugs coil pack and the spider full injection valve its still running rough and computer is reading number 4 cylinder miss fire but it only starts to run rough when the engine is warm any other suggestions what am i missing here help please

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