Mitsubishi Eclipse P Codes (Powertrain) P0400 - P0499 P0421

Browse Mitsubishi Eclipse P Codes (Powertrain) P0400 - P0499 P0421 questions and answers. Choose a question that matches your symptoms.

3 discussions

Code P0421?

2006 MITSUBISHI ECLIPSE

Thank You So Much For Replying To My Question, Your Site Is Great. Anyhow, I Was Told That Probably It Wasn't My O2 Sensor But A Faulty...

7 ANSWERS

6 IMAGES

Asked by Choome

2006 MITSUBISHI ECLIPSE

I'm Getting That Code, But I Do Know That The Bank 2 Sensor 2 Is Bad. I Have Changed It 2 Times And It Still Shows That It's Not...

5 ANSWERS

11 IMAGES

Asked by Choome

2002 MITSUBISHI ECLIPSE

I Have This Mitsubishi Eclipse Rs Which I Purchased About A Month Ago And Everything Is Working Except I Have A Code P0421. I Had It...

1 ANSWER

Asked by hmoore7

Browse by repair topic

Can’t find your issue?