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2006 Buick Lucerne Question: 2006 buick lucerne cxs 4.6 cylinder 7 misfire changed coil no fix, ordered injec

 

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chipgarner1, Jasper, GA, October 25, 2011, 09:38
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2006 buick lucerne cxs 4.6 cylinder 7 misfire changed coil no fix, ordered injector, pulled injector wire no change in engine idle. pulled cylinder 1 injector wire substantial misfire noticed. if injctor does not fix is there a fuel computer or just ECU. any suggestions. thank you Chip

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  • Answer #1

    mastertech6371 October 25, 2011, 09:57
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     Master

    i would start with a spark plug. basics, basics.

    Roy

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    chipgarner1, October 25, 2011, 11:30
     Rookie

    I REPLACED SPARK PLUG, COIL, INJECTOR, COULD IT BE THE ECU. IS CYLINDER # 7 BANK CLOSEST TO REAR OF CAR AND LAST CYLINDER CLOSEST TO TRANSMISSION

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