My engine light came on right after I had a new AC system put in I had it checked by a code meter.here are the codes can you tell me what might be the problem. Code # P1167 and P0300
PO300 is random misfire code,p1167 is oxegen sensor code.May have a faulty 02 sensor,it will give you the random misfire code,because the o2 sensor tell,s the ECM how much gas to give the car,in other word,s may be flooding the engine or not giving it enuff fuel.
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