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11-21-2003, 03:53 PM

O2 sensor (I believe) is when it is the Service ENGINE and trac off or ABS lights. Service VEHICLE is usually the wheel sensor (hub).

11-21-2003, 03:53 PM	#3
3.4Alero Posts: n/a	O2 sensor (I believe) is when it is the Service ENGINE and trac off or ABS lights. Service VEHICLE is usually the wheel sensor (hub).