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re: Check Engine Light after Filling-Up

Posted on 5/17/21 at 11:30 am to
Posted by billjamin
Houston
Member since Jun 2019
12704 posts
Posted on 5/17/21 at 11:30 am to
quote:

It's P0420, if memory serves.


That's for the front O2 sensor and measures catalyst performance. Common when cars have off-road exhaust installed, a failed catalyst or shitty fuel that's not reacting properly.

Is it driving normally?
Posted by Hoodie
Donaldsonville, LA
Member since Dec 2019
3018 posts
Posted on 5/17/21 at 11:31 am to
quote:

Is it driving normally?


Oh, yeah.
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