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P0431 MITSUBISHI - show this sign what it could?
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asked
Oct 12, 2018
by
anonymous
Hello my car is mitsubishi galant when i check it by DLC show up me ( po431) What is could also what is the problem?
mitsubishi
galant
2006
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Dec 18, 2017
by
Carguy1
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This code is for the front pre converter. The only other possibility that could cause this code would be an issue with the rear O2 sensor after the pre converter. If it is not working or reading properly then it can set this code.
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