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P0131 Diagnostic Trouble Code Discussion for June 2006

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 Suburban 5.7L MIL Lamp on VIN: 3GNFK16R6V
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. This Chevy has had this problem since It was purchased from a used car lot and has been to several shops, including the dealer. It runs well until a hard pull is needed, as in towing a trailer uphill or climbing a grade. When I started checking codes it had a ...
June 08, 2006
2001 Chevrolet Express 1500 4.3L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1GCFG15WX1
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. van comes in wont go under load. hesitates- stumbles and bucks. sometimes pops in the intake. check engine light on. po131 po151. replace 02 sensors per customers request. reset pcm. test drive- still does it at first then clears up. returns 1 week later and s...
June 26, 2006