Mercury Cougar P Codes (Powertrain) P0400 - P0499 P0442

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I Have A Trouble Code P0442

1999 MERCURY COUGAR
I Have Changed The Gas Cap In My Car But My Engine Light Is Still On..its A 99 Mercury Cougar. Could It Be Bad Gas From What I Filled The...
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Asked by edwayne

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P0401P0402P0442

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