Toyota 4Runner P Codes (Powertrain) P0400 - P0499

Browse Toyota 4Runner P Codes (Powertrain) P0400 - P0499 questions and answers. Choose a question that matches your symptoms.

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Code P0420 And P0430

2003 TOYOTA 4RUNNER

Engine Light Came On And Car Started Running Very Rough. Was Low On Oil. Had Oil Changed And Fuel System Flushed. Car Ran For 1 Day And...

6 ANSWERS

Asked by Lfleming2

2000 TOYOTA 4RUNNER

How Do I Correct My 2000 Toyota Camry Ce P0420 Code?

2 ANSWERS

Asked by whefrs

2000 TOYOTA 4RUNNER

P0420 - Catalyst Efficiency Below Threshold Bank 1 Message Dor Check Engine Light. Repairs Already Completed Catalytic Converter(s)...

1 ANSWER

Asked by leogirl

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