Cadillac Seville P Codes (Powertrain) P0300 - P0399 P0300

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Code PO300 Random Multiple Misfire Detected

1999 CADILLAC SEVILLE
Car Has New Heads, New Intake And Gaskets, Clean Throttle Body, New Plug Wires And Plugs. It Drives Fine, Idles Rough, There Are No Vacuum...
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Asked by pcdj64

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P0300

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