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Old 05-14-2012, 08:53 AM   #15419
Rubenk
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Join Date: Mar 2010
Location: KCMO
Posts: 1,696
My Ride: M35A2
I've never had a bad 02 sensor or bad cat make a car run weird, but I suppose the bad 02 could cause the ECU to make things misbehave.
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