Mercury Cougar P Codes (Powertrain) P0400 - P0499 P0402

Browse Mercury Cougar P Codes (Powertrain) P0400 - P0499 P0402 questions and answers. Choose a question that matches your symptoms.

1 discussion

1994 Mercury Cougar P0402 Code

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

Browse other repair topics

Browse by repair topic
P0401P0402P0442

    Can’t find your issue?

    Ask a new Mercury Cougar question