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Old 05-25-2021, 07:18 PM   #5
Niceboxster
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Join Date: Mar 2020
Location: Los Angeles
Posts: 22
Quote:
Originally Posted by ike84 View Post
You are correct - there is a sensor before and after the precat (on the header) but none that monitor the main cat (aka secondary cat). Id be curious how the figured that the cats are bad though...

Rumor has it that the most common cause of that code is a bad gas cap. You may wanna start there.

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Hey! Just a quick update to thank you and to help anyone in the future who has a similar problem. I took your advice and bought a new gas cap for like $15. Put it on and the cel went away! So much better than the $2700 the shop quotes me for new cats lol, so thank you! I've also heard that the oil cap can cause the same code but the gas cap was the one that did it for me.
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