o2 sensors bad?
#1
o2 sensors bad?
if one or both of my o2 sensors in my cats went bad would I notice anything even though i have a tune that disables them? i know that might sound dumb but i'm just thinking that the tune disables just the error code you get if you have certain hi flow cats or off-road mid pipes. i'd imagine that the computer must need them for something. i could be totally wrong. i ask because lately my car has been running a little wierd and i know how delicate those sensors are and i've taken them out a few times while changing mid pipes and was just wondering if one of them got banged around too much if it would affect anything if it were to go bad...
#2
RE: o2 sensors bad?
As far as I know, the only purpose of the downstream O2 sensors is to verify that the cats are working correctly. The upstream ones would cause a problem if they were defective.
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