2006 Chevrolet Uplander Repair Question
Topics covered: Sensor, Catalytic converter, Exhaust.
Mileage: 119,000 miles.
Mileage: 119,000 miles.
Asked on March 24, 2012
# 1 oxygen sensor location upstream
Looked on #1cyclendar side and can not find sensor on 3.5 engine where is it ? i found # 2 behind cat conv.
Asked by John PierceAnswer
Replied on March 25, 2012
Heated Oxygen Sensor (HO2S) 1 (3.5L)In right bank exhaust manifold, before catalytic converter.
Heated Oxygen Sensor (HO2S) 1 (3.9L)In right bank exhaust manifold, before catalytic converter.
Heated Oxygen Sensor (HO2S) 2 (3.5L)In exhaust, after catalytic converter.
Heated Oxygen Sensor (HO2S) 2 (3.9L)In exhaust, after catalytic converter.
