2003 GMC Sonoma 6 cyl Two Wheel Drive Automatic 114000 miles
My question is where the malfunctioning o2 sensor is located. I was told bank #2 sensor #1 is defective, How do I know which one is defective there are four o2 sensors on this vehicle.
have the same problem?
Saturday, June 19th, 2010 AT 1:29 PM