Saturn Ion P Codes (Powertrain) P0400 - P0499 P0420
Browse Saturn Ion P Codes (Powertrain) P0400 - P0499 P0420 questions and answers. Choose a question that matches your symptoms.
1 discussion
P0420
Engine Light Came On. We Get Two Codes, Both Showing P0420. Since This Code Came Up Twice, Does This Mean That The Catalytic Converter Needs...
Asked by fyrechilde
Browse other repair topics
Can’t find your issue?
Ask a new Saturn Ion question
