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2003 GMC Safari Repair Question

Topics covered: Sensor, Exhaust, Engine.
Mileage: 80,000 miles.

Asked on December 23, 2011

Bank1 sensor1 location

Code po135

Asked by acetong

Replied on December 23, 2011

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 On left front exhaust Y-pipe.

Answered by rasmataz
68 questions asked

Replied on December 23, 2011

first OX sensor in exhaust on cyl 1 side of engine.

Answered by fixitmr
24 questions asked