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PO137 (Sensor Circuit low voltage Bank 1 Sensor 2) This is the O2 sensor behind the Catalytic Converter on the driver's side. Check the wiring on that sensor before proceeding. More than likely replacing that sensor will solve the problem especially if you have over 75,000 miles on the vehicle. But there is no guarantee that will fix it.

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14y ago
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Q: How do you fix code P0137 Jeep Liberty 2004?
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