Does a wideband sensor replace the rear O2 sensor, or do we have to weld in a new bung?
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10-30-2010
Does a wideband sensor replace the rear O2 sensor, or do we have to weld in a new bung?
Last edited by Bedwards; 10-30-2010 at 11:52 AM.
10-30-2010
Either.
10-30-2010
I have a 2001 though. I read somewhere about the rear O2 sensor in 01+ cars affecting the fuel trims pretty badly. Is that true?Originally Posted by Gafford44
10-30-2010
you cant put it after the cat, it wont work correctly then.
10-30-2010
I don't have a cat. I have headers.
11-02-2010
Thats why i said both
11-02-2010
You need to have the rear O2 hooked up or have someone remove the cat diagnostic from your PCM.
Apparently its possible with Tinytuner.
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