catalytic converter

Asked by Salmonica Jun 27, 2018 at 04:37 PM about the 2000 Toyota 4Runner SR5 4WD

Question type: Maintenance & Repair

I have a 2000 4Runner that coded PC420 B1 for a Check Engine light. Which
cat is that for? Do I have to replace both cats? Thank you!

1 Answer
34,310

charles answered 5 years ago

Bank 1 is the #1 cylinder head bank. Need to follow that manifold back to the proper cat.

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