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Secondary o2 sensor causing CEL!

 
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Old 12-02-2011, 11:02 PM
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Secondary o2 sensor causing CEL!

So I ran seafoam through the brake booster trying to clean out the junk and get the CEL to go off....didnt work....my question is if I remove the secondary sensor and soak it in seafoam could that potentially save me from having to buy another sensor and/or cat?

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Old 12-03-2011, 10:20 PM
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Re: Secondary o2 sensor causing CEL!

ok so i see people are reading my post and i have read every sticky out there...can anyone tell me if this is a good idea????? Soaking my secondary o2 sensor after i remove it in seafoam trying to de-"gunk" it??? Even if the answer is no someone please let me know!
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Old 12-04-2011, 07:17 PM
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Re: Secondary o2 sensor causing CEL!

No harm in trying I suppose. You could just bypass the sensor as an alternative.


I personally would just get a new one vs messing with it. Your issue could be a bad cat as well.
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Old 12-04-2011, 08:16 PM
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Re: Secondary o2 sensor causing CEL!

Any recommendations for a new cat? I saw some ebay hi flow cats for like 30 bucks and I wouldnt mind putting one on just need to know if they have sensor ports and if they do not (which i know most dont) how do i bypass the secondary o2 sensor so i can pass emissions and no CEL?
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Old 12-04-2011, 09:48 PM
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Re: Secondary o2 sensor causing CEL!

I've "heard" magnaflow makes an alright replacement. But have no personal experience with them (yet).


As far as the bypass, there's a writeup on one of the forums about it, I don't remember which to be exact :/
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