hesitation and 02 code

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garylee1974

11-06-2009, 07:24 PM

i have a 95 grand am 2.3 it hesitates and keeps throwing a 02 sensor circuit code replaced 02 sensor and replaced cat due to it was hollow still having the same problem any help would be great

3100

11-06-2009, 08:02 PM

the problem could be in wiring from O2 sensor connector to pcm. Maybe open or intermittent short/open?

what code you get?

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