Pontiac Grand Prix P Codes (Powertrain) P0400 - P0499 P0401

Browse Pontiac Grand Prix P Codes (Powertrain) P0400 - P0499 P0401 questions and answers. Choose a question that matches your symptoms.

1 discussion

Code P0401 Keeps Returning

2000 PONTIAC GRAND PRIX
My Service Engine Soon Light Came On. Code: P0401, I Bought A New Egr I Had The Code Reset. On The Way Back Home, The Service Engine...
1 ANSWER
Asked by wayned5

Browse other repair topics

Browse by repair topic
P0401P0411P0420P0440P0446P0449P0453

    Can’t find your issue?

    Ask a new Pontiac Grand Prix question