Recommend you a site: How to fix p0420 code?

April 30, 2019

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But remember that it is always better to trust a specialist! is a website that can help you with P0420 code. developed electronic device (catalyst emulator), that is typically installed after removal of the catalyst or when the catalyst is faulty. The emulator processes the signal that comes from the lambda probe. This microprocessor device generates signals for correct operation of the engine management system under conditions where the catalyst has been removed or is faulty.
P0420 code fixed

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