Mike's Workshop Manuals
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Cherokee High Altitude, Automatic T/Case Control
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Repair and Diagnosis
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Different variant/trim
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Section 17 (3.2L - DTCS P0073 To P0298)
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DTC Troubleshooting
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P0139-O2 Sensor 1/2 Slow Response
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Set Condition
Set Condition
WARNING:
This page is about a different variant/trim than selected.
If the PCM does not detect a rich to lean switch within a specific time during a decel fuel shutoff event, the monitor will fail.