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Where is the P0138 (B1-S2) located on a 2004 Jeep Grand Cherokee 4.0L?

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Where is the P0138 (B1-S2) located on a 2004 Jeep Grand Cherokee 4.0L? Thanks for your help.

Vehicle: 2004 Jeep Grand Cherokee 4.0L

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Do you have a California or Federal (Non-California) Jeep?

Jeep Grand Cherokee Oxygen Sensor Location

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Bank 1 sensor 2 is the O2 sensor located after the catalytic converter in the exhaust pipe.

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