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Toyota Corolla 2000 throwing up p0420

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Toyota Corolla 2000 throwing up p0420

Vehicle: 2000, Toyota, Corolla and 1.8

1 Answer

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You probably have to replace the Catalytic Converter to fix the problem.

P0420 TOYOTA - Catalyst System Efficiency Below Threshold Bank 1
Read more: https://www.autocodes.com/p0420_toyota.html
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Team, I have changed the catalyst but the code P0420 is still up. Please what do you advise eventhough car is running well.

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