O2 sensor disables - Pontiac GTO Forum
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post #1 of 6 (permalink) Old 11-23-2010, 09:30 AM Thread Starter
 
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O2 sensor disables

How do you disable the O2 sensors that go behind the cats, I put full exhaust on my car with no cats...do they still need to be there or can you just unplug them?

Last edited by BLUE04; 11-23-2010 at 11:06 AM.
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post #2 of 6 (permalink) Old 11-23-2010, 12:43 PM
 
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If you Hp tuners you can turn them off yourself. If not ask someone that does or go to a shop that can do it.

<-- Guess which ones quicker?.....Nope! Not even close.
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post #3 of 6 (permalink) Old 12-07-2010, 01:32 PM
 
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what symptoms do you get if you dont turn them off. what ses lights will it trigger?

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post #4 of 6 (permalink) Old 12-08-2010, 08:14 AM
 
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Rear O2s only test your cats. If you dont' have any or the sensors go bad, it will through a CEL. It will not effect how your car runs, only the fornt O2s do that. Since you did a full exhaust, you might wanna get your car tuned. I would assume your running rich right now and your tuner can disable the rear O2s.
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post #5 of 6 (permalink) Old 12-09-2010, 10:28 AM Thread Starter
 
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I got a code for multiple mis fires and was told that could be the problem then I took it in and they said I had 3 bad ignition coils...I replaced only the 3 bad ones with no result...should I do the rest with new spark plugs?
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post #6 of 6 (permalink) Old 12-09-2010, 06:33 PM
 
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You could use simulators too, but any tune you'd get would fix it also.
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