Mechanics

# 1 OXYGEN SENSOR LOCATION UPSTREAM

2006 Chevrolet Uplander • 119,000 miles

Looked on #1cyclendar side and can not find sensor on 3.5 engine where is it? I found # 2 behind cat conv.
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John Pierce
March 24, 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.


Rasmataz
Mar 25, 2012.


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