Rear O2 sensor needed?
11-25-2008, 07:32 PM
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Rear O2 sensor needed?
is the rear o2 sensor needed??? after the cat?
i guess i need more details
i tried to calibrate my wideband (i didnt install it) but i oulled out the rear o2 sensor instead and the threads on the sensor were fucked...so i just put a bung in its place..but my car runs fine without it and pulls the same way...so is it needed?
i guess i need more details
i tried to calibrate my wideband (i didnt install it) but i oulled out the rear o2 sensor instead and the threads on the sensor were fucked...so i just put a bung in its place..but my car runs fine without it and pulls the same way...so is it needed?
Last edited by CobaltVenomSS; 11-25-2008 at 07:32 PM. Reason: Automerged Doublepost
12-02-2008, 04:25 PM
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its an OBD II car, it measures catalyst efficiency
when ur cat goes bad it will turn a lite on, but since u dont have it hooked into the exhaust, it will never throw a lite nor will u ever kno ur cat is bad. until the catalyst material goes flying out ur tailpipe.
when ur cat goes bad it will turn a lite on, but since u dont have it hooked into the exhaust, it will never throw a lite nor will u ever kno ur cat is bad. until the catalyst material goes flying out ur tailpipe.
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