Chevrolet Monte Carlo P Codes (Powertrain) P0400 - P0499

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

6 discussions

P0404 Error Code

2001 CHEVROLET MONTE CARLO

I Just Bought This Car Used It Is A One Owner Vehicle And Has 212,000 Miles On It. Seems Pretty Clean For The Age And The Owner Seemed To...

1 ANSWER

Asked by upmm019

1998 CHEVROLET MONTE CARLO

1998 Chevrolet Monte Carlo P0401

7 ANSWERS

Asked by richardsbb

1998 CHEVROLET MONTE CARLO

I Have A 98 Monte Carlo With Trouble Code "evaporation Systems Failure." The Gastank Leaks At The Seam When Its Filled Above A 1/2tank....

1 ANSWER

Asked by brownp

1997 CHEVROLET MONTE CARLO

Check Engine Light Is On Engine Code Po420 Catalyst System Efficiency Below Threshold ( Bank 1) What Does This Mean?

1 ANSWER

Asked by drz400s

1996 CHEVROLET MONTE CARLO

What Would Case A Code Po420 And How Would I Fix The Problem

1 ANSWER

1 IMAGE

Asked by Anonymous

1990 CHEVROLET MONTE CARLO

I Had My Emission Done On My Car And It Failed Due To Code P0440....i Need To Know What To Look Forward To Fixing And Were Its Located. I...

2 ANSWERS

Asked by marcellusburns

Browse by repair topic

Can’t find your issue?