Headers and SES light
10-30-2006, 08:01 AM
#1
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Headers and SES light i just got a set of headers & high-flow cats put on and now i'm having trouble with the SES light coming on. i had the car tuned after installation.....do i need the rear O2 sensors tuned out or what needs to happen??
10-30-2006, 09:52 AM
#3
Even with cats, you may as well have them tuned out. They are totally not needed at all. I screwed them back in, and still had them tuned out. That's just one more thing to go wrong, throw a code and replace them. Did whoever tuned it delete your EGR and AIR while they were at it? Or did you have to keep those for emissions? Being so far down in the stream, the rear o2 sensors sometimes throw a code, even if they weren't before.
I would go get the code pulled somewhere. Autozone/ Pepboys do it for free. Get the code and post it up. While there is a pretty good chance it has something to do with the recent header install, it could also just be dumb luck to have something else throwing a code that you're not even expecting.
I would go get the code pulled somewhere. Autozone/ Pepboys do it for free. Get the code and post it up. While there is a pretty good chance it has something to do with the recent header install, it could also just be dumb luck to have something else throwing a code that you're not even expecting.
