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P0391 Diagnostic Trouble Code Discussion for July 2013

Exhaust Camshaft Position Sensor Performance (Bank 2)

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Trouble Ticket Help Requests for DTC P0391
Help Request Posted
2007 Jeep Compass 2.4L MIL Lamp on VIN: 1J8FF47W37
P0391: Oxygen sensor 1/2 slow response. Vehicle came in with a p0391 1/2 slow response looked at data stream seem to look o.k. Replaced o2 sensor with one from Chrysler and sent it on its way. 4 weeks later customer came in and said my light came one last night hooked up and has same code P0391. Onc...
July 12, 2013