DIY How to Fix O2 CEL

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Jul 7, 2009 | 01:19 PM

#21

drewmob

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Joined: Mar 2009

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Quote:

Originally Posted by RBR,Jul 7 2009, 12:20 PM

actually the O2 sensor that went bad is the 1st one that's attached to the exhaust manifold, not the one after the catalytic converter. I'm not running a test pipe. Do you still think it's just fouled up? I may just pull it out to take a look at it first. if it's ok, do you think doing all this to that particular O2 sensor will help?

I've never been able to salvage an o2 sensor once its gone bad. Someone else may have a trick to getting more life out of them, but i haven't figured it out.

Jul 21, 2009 | 01:44 PM

#22

RBR

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Joined: Oct 2005

Posts: 366

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From: Long Beach, CA

By they way, I used Seafoam in the gas and some in via the intake vacuum hose and the check engine light went off in about 3 days after. Maybe I just got lucky, but this could be an option for some of you with the same problem.