Infiniti QX56 P Codes (Powertrain) P0400 - P0499 P0420

Browse Infiniti QX56 P Codes (Powertrain) P0400 - P0499 P0420 questions and answers. Choose a question that matches your symptoms.

1 discussion

Code P0420 Keeps Coming Back?

2011 INFINITI QX56

My Vehicle Listed Above Has Had A Ton Of Issues. The Biggest Was Replacement Of The Timing Chain, Now It Burns A Little Oil. The Dealer Says...

3 ANSWERS

5 IMAGES

Asked by Chris Alicia Newkirk

Browse by repair topic

Can’t find your issue?