Join Now
International Automotive Technicians Network

P0131 Diagnostic Trouble Code Discussion for October 2007

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


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0131
Help Request Posted
2002 Isuzu N NPR 5.7L MIL Lamp on VIN: 4KBB4B1R03
P0131: o2Sig low Bank 1 Sensor 1. Freeze frame data, RPM 3471,Throttle 99.6%, fuel 1&2 open loop, coolant 198, air flow 166.65, map 29", st 1 0%, st 2 o%, lt 1 25%, lt 2 25%, veh speed 60mph, eng load 73.4%.Thanks to all in advance, I do not have info on the NPR, just useing what I can...
October 15, 2007
2001 Volvo V40 1.9L Poor Idle Quality, MIL Lamp on VIN: YV1VW29571
... the complaint of not able to idle and we found the IAC bad. After the repair it ran well. It came back in a few weeks later with the check engine light on. We pulled codes P0102 and P0107. We repaired a vacuum leak and reset the PCM and test drove. The veh...
October 22, 2007
2001 Volvo V40 1.9L Poor Idle Quality, MIL Lamp on VIN: YV1VW29571
... the complaint of not able to idle and we found the IAC bad. After the repair it ran well. It came back in a few weeks later with the check engine light on. We pulled codes P0102 and P0107. We repaired a vacuum leak and reset the PCM and test drove. The veh...
October 23, 2007
2002 Isuzu N NPR 5.7L MIL Lamp on VIN: 4KBB4B1R03
P0131: o2Sig low Bank 1 Sensor 1. Freeze frame data, RPM 3471,Throttle 99.6%, fuel 1&2 open loop, coolant 198, air flow 166.65, map 29", st 1 0%, st 2 o%, lt 1 25%, lt 2 25%, veh speed 60mph, eng load 73.4%.Thanks to all in advance, I do not have info on the NPR, just useing what I can...
October 15, 2007
2001 Volvo V40 1.9L Poor Idle Quality, MIL Lamp on VIN: YV1VW29571
... the complaint of not able to idle and we found the IAC bad. After the repair it ran well. It came back in a few weeks later with the check engine light on. We pulled codes P0102 and P0107. We repaired a vacuum leak and reset the PCM and test drove. The veh...
October 22, 2007
2001 Volvo V40 1.9L Poor Idle Quality, MIL Lamp on VIN: YV1VW29571
... the complaint of not able to idle and we found the IAC bad. After the repair it ran well. It came back in a few weeks later with the check engine light on. We pulled codes P0102 and P0107. We repaired a vacuum leak and reset the PCM and test drove. The veh...
October 23, 2007