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Chevrolet
Uplander
Engine
Oxygen Sensor
Location
# 1 oxygen sensor location upstream
JOHN PIERCE
MEMBER
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.
Saturday, March 24th, 2012 AT 11:59 PM
1 Reply
RASMATAZ
MECHANIC
75,992 POSTS
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.
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Sunday, March 25th, 2012 AT 12:03 AM
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