P 0300 error fix

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    Administrator
    • Aug 2017
    • 82

    P 0300 error fix

    Hello : 2005 Pathfinder , 5.0 L one day driving the engine felt sluggish and the check engine light started to flash .
    Random/Multiple Cylinder Misfire Detected


    Went to the dealer , they changed all the spark plugs checked for intake leaks , Still 0300 error . The mechanic temporarily removed the two front o2 sensors and the vehicle ran great . My front catalytic converters were plugged ,

    replaced the two catalytic converters and the vehicle is running great ..

    I hope this helps someone ..
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