ZR-1 Net Registry Forums - #4 NOT FIREING WELL

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ROGER E

04-02-2004 03:22 AM

#4 NOT FIREING WELL

My lt5's #4 cilynder is missing a lot but not all the time. I replaced plugs, wires and had all injectors cleaned and tested but no change. If i allow #4 spark plug wire to arc to ground the engine will die. Any suggestions???

ZR-1Mom

04-02-2004 11:28 PM

It might be a bad coil. There is one coil for every 2 plugs. The coils are under the plenum.

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