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2001 Mazda Millenia Question: I REPLACED THE ENGINE AND NOW IS RUNNING TO ROUGH, P0300 WITH NEW SPARK PLUGS

 

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brecaswaco, 2.3L V6 Supercharged, Waco, TX, September 25, 2011, 17:01
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I REPLACED THE ENGINE AND NOW IS RUNNING TO ROUGH, P0300 WITH NEW SPARK PLUGS, BUT SOME TIMES IS RUNNING JUST FINE AND THEN THE CHECK ENGINE LIGHT CAME ON AGAIN. SOMEBODY CAN HELP ME?

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  • Answer #1

    September 25, 2011, 17:25
     Rookie

    Check ur connection on the ignition coils,the code that u have its when u got more than one cyl missfiring

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  • Answer #2

    September 25, 2011, 17:32
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     Master

    check the wires and the coil. was it a new motor or used??

    Roy

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