Mike's Workshop Manuals
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Jeep
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2020
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Grand Cherokee Trackhawk
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Repair and Diagnosis
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Engine Performance
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System
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6.2L - DTCS P219A To P2A0B
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DTC Troubleshooting
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P2240-O2 Sensor 2/1 Pumping Current Circuit/Open
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Default Action
Default Action
MIL is illuminated on the second consecutive trip that the diagnostic fails.
The MIL will be turned off on the third consecutive trip that the diagnostic passes.