Mercury Cougar P Codes (Powertrain) P0400 - P0499

Browse Mercury Cougar P Codes (Powertrain) P0400 - P0499 questions and answers. Choose a question that matches your symptoms.

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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...

1 ANSWER

Asked by edwayne

1994 MERCURY COUGAR

Hi ....keep Getting A P0402 Code Even After Changing Egr Valve And All Sensors Regarding Egr Valve Including 02 Sensors(4) And Replacing Gas...

5 ANSWERS

Asked by vegaschuck

MERCURY COUGAR

1996 Mercury Cougar 4.6 V8 110000 Miles. What Problem Might I Have After P0401 Code Came Up?

1 ANSWER

Asked by sonjer

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