pp420 catalyst system below efficiency

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my car has a code of PO420 that indicates that the bank I catalyst system efficiency was below threshold for a predetermined period of time. Do I have to replace the entire exhaust system or just the catalytic converter?

craig.5599dd5e1c in Richmond Hill GA

Jul 3, 2017

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What are the best Toyota repair shops?

RepairPal Certified shops can diagnose and repair your 2006 Toyota Matrix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

pp420 catalyst system below efficiency

What is your question?

craig.5599dd5e1c in Richmond Hill GA

Jul 3, 2017

0 Replies

This question doesn't have any answers yet

Get the conversation going by signing in or creating an account

Submit an Answer

What are the best Toyota repair shops?

RepairPal Certified shops can diagnose and repair your 2006 Toyota Matrix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.