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P0131 Diagnostic Trouble Code Discussion for July 2004

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
1994 Buick Park Avenue 3.8L Poor Idle Quality, MIL Lamp on VIN: 1G4CW52LTR
P0131: HO2S Low voltage. ... light being on. The customer also mentioned that the car would stall when going done the highway mainly when the fuel tank is about a quarter of the way full. When I hooked the scan tool up to the car I first got codes PO131, P1640, P1670. When I checked t...
July 07, 2004
1997 Chevrolet C1500 4.3L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1GCEK14WOU
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. thanks for reading, this truck only acts up after geeting hot, the motor stumbles and rpm wont go above 4300. stop and restart and everything is ok untill next episode, could be 2 miles or 200. when truck acts up and you stay in the throttle the ses lamp comes...
July 13, 2004
2001 Honda Civic EX 1.7L MIL Lamp on, P0131 VIN: SHHE478402
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. Fellow Techs This car was involved in a very strange accident, all the underside was damaged (rubbed) The two lambda sensors were also hit thus were replaced Local dealer needs 1 month to get the spare parts do the Denso sensors were fitted to this vehicle (...
July 27, 2004
1999 Chevrolet Express 3500 5.7L Hesitation, MIL Lamp on, BACKFIRES INTAKE VIN: 1GAHGS9R2X
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. new tech getting old techs x's on acc van falls on its face the hotter it get the worse it gets but does it all the time but once it gets up to speed it runs good it also back fires through intake when acc fuel press good all the time and getting o2s down in t...
July 29, 2004
1999 Chevrolet Express 3500 5.7L Hesitation, MIL Lamp on, BACKFIRES INTAKE VIN: 1GAHGS9R2X
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. new tech getting old techs x's on acc van falls on its face the hotter it get the worse it gets but does it all the time but once it gets up to speed it runs good it also back fires through intake when acc fuel press good all the time and getting o2s down in t...
July 30, 2004
1994 Buick Park Avenue 3.8L Poor Idle Quality, MIL Lamp on VIN: 1G4CW52LTR
P0131: HO2S Low voltage. ... light being on. The customer also mentioned that the car would stall when going done the highway mainly when the fuel tank is about a quarter of the way full. When I hooked the scan tool up to the car I first got codes PO131, P1640, P1670. When I checked t...
July 07, 2004
1997 Chevrolet C1500 4.3L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1GCEK14WOU
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. thanks for reading, this truck only acts up after geeting hot, the motor stumbles and rpm wont go above 4300. stop and restart and everything is ok untill next episode, could be 2 miles or 200. when truck acts up and you stay in the throttle the ses lamp comes...
July 13, 2004
2001 Honda Civic EX 1.7L MIL Lamp on, P0131 VIN: SHHE478402
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. Fellow Techs This car was involved in a very strange accident, all the underside was damaged (rubbed) The two lambda sensors were also hit thus were replaced Local dealer needs 1 month to get the spare parts do the Denso sensors were fitted to this vehicle (...
July 27, 2004
1999 Chevrolet Express 3500 5.7L Hesitation, MIL Lamp on, BACKFIRES INTAKE VIN: 1GAHGS9R2X
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. new tech getting old techs x's on acc van falls on its face the hotter it get the worse it gets but does it all the time but once it gets up to speed it runs good it also back fires through intake when acc fuel press good all the time and getting o2s down in t...
July 29, 2004
1999 Chevrolet Express 3500 5.7L Hesitation, MIL Lamp on, BACKFIRES INTAKE VIN: 1GAHGS9R2X
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. new tech getting old techs x's on acc van falls on its face the hotter it get the worse it gets but does it all the time but once it gets up to speed it runs good it also back fires through intake when acc fuel press good all the time and getting o2s down in t...
July 30, 2004