P020 code

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Dec 20, 2017 | 08:51 PM

hakan

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Joined: Jan 2017

Posts: 57

P020 code

P0420 catalytic converter error code appeared. i erased the code but appeared couple days later. what is it and what is the fix? thanks

Dec 21, 2017 | 06:41 AM

MixManSC

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Joined: Jan 2017

Posts: 2,320

From: SC

Either the catalytic converter(s) or the upstream or downstream O2 sensors before and after the converters. Or..... could even be something not running right making it either run way too rich or too lean.

Dec 21, 2017 | 02:54 PM

hakan

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Joined: Jan 2017

Posts: 57

Quote:

Originally Posted by MixManSC

thank you, i will check it out. marry xmas and happy newyear

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