Grand Cherokee 2WD V6-3.7L (2008)
Oxygen Sensor: Application and ID
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Cylinder bank number one is the bank that contains number one cylinder.
See: Engine, Cooling and Exhaust/Engine/Tune-up and Engine Performance Checks/Firing Order
Cylinder #1 on left side.
Cylinder #1 on right side.
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The first oxygen sensor in cylinder bank # 1 is numbered
O2 Sensor 1/1.
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The second oxygen sensor in cylinder bank # 1 is numbered
O2 Sensor 1/2.
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A third oxygen sensor in cylinder bank # 1 would be numbered
O2 Sensor 1/3.
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The first oxygen sensor in cylinder bank # 2 is numbered
O2 Sensor 2/1.
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The second oxygen sensor in cylinder bank # 2 is numbered
O2 Sensor 1/1.
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If a V-6 or V-8 vehicle only uses one downstream Heated Oxygen Sensor
(HO2S) it is numbered O2 Sensor 1/2, even if it uses two upstream
HO2S.
