O2 SENSOR

2003 GMC Sonoma

Tiny

ken gould

June, 19, 2010 AT 1:29 PM

Electrical problem
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.

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1 Answer

Tiny

saturntech9

June, 20, 2010 AT 2:21 AM


http://www.2carpros.com/forum/automotive_pictures/416332_2003_gmc_sonoma_43L_o2_sensor_locations_1.jpg


There you go.

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