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P0131 Diagnostic Trouble Code Discussion for May 2005

Air Fuel Sensor (Bank 1 Sensor 1) Circuit Low Input (Lean Shift)

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Trouble Ticket Help Requests for DTC P0131
Help Request Posted
1997 Chevrolet K1500 5.7L Poor Idle Quality, Hesitation, MIL Lamp on
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. fellow technicians any direction would be great. this truck came in with ck eng. lite on and a code po131 stored. also had some other distributor related codes in history. found someone had dist. out. inspect and found cam synch at 7 degrees. replaced cap and ...
May 04, 2005
1998 Dodge Ram 1500 Laramie 5.2L Poor Idle Quality, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 3B7HF12Y4W
P0131: upstream o2s 1/1 shorted to ground. Hello everyone, I think I have the problem solved but would like another opinion on this. First off vehicle seems to buck alot, meaning dies right down then surges really severe. this seemed to all start after the ckp sensor was replaced, first question is can...
May 04, 2005