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P0131 Diagnostic Trouble Code Discussion for March 2013

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
2010 Chevrolet Suburban 1500 LS 5.3L Poor Idle Quality VIN: 1GNUKHE3XA
P0131: O2 signal low B1S1. Mil is not on, however, vehicle still runs slightly rough at idle, usually when hot, idling in gear. I am a Subaru specialist, not up to speed on GM, but consented to look at vehicle. Wondering if vehicle has multiple problems or does it have an issue that is ...
March 20, 2013
1995 Buick Riviera 3.8L Poor Idle Quality, Misfire VIN: 1G4GD22K3S
P0131: oxygen sensor signal low lean. Vehicle came into the shop running very rough at idle. We hooked up scan tool and found the the stft 182 counts and ltft 149 counts with an o2 sensor reading of 13 MV. Idle smooths when propane is added to air stream and fuel trims come down with o2 reading in...
March 28, 2013
1996 Chevrolet Lumina 3.1L No Start, Poor Idle Quality, Surge, Stall, Misfire, MIL Lamp on VIN: 2G1WL52M0T
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. This car came in just over a week ago for a surge/misfire issue. Car ran ok so we went to the plugs. Original plugs so they were changed, test drove and all was good? Cuat. picked up car made a couple blocks and the surge/misfire was back and the SES light cam...
March 28, 2013
1995 Buick Riviera 3.8L Poor Idle Quality, Misfire VIN: 1G4GD22K3S
P0131: oxygen sensor signal low lean. Vehicle came into the shop running very rough at idle. We hooked up scan tool and found the the stft 182 counts and ltft 149 counts with an o2 sensor reading of 13 MV. Idle smooths when propane is added to air stream and fuel trims come down with o2 reading in...
March 29, 2013
2010 Chevrolet Suburban 1500 LS 5.3L Poor Idle Quality VIN: 1GNUKHE3XA
P0131: O2 signal low B1S1. Mil is not on, however, vehicle still runs slightly rough at idle, usually when hot, idling in gear. I am a Subaru specialist, not up to speed on GM, but consented to look at vehicle. Wondering if vehicle has multiple problems or does it have an issue that is ...
March 20, 2013
1995 Buick Riviera 3.8L Poor Idle Quality, Misfire VIN: 1G4GD22K3S
P0131: oxygen sensor signal low lean. Vehicle came into the shop running very rough at idle. We hooked up scan tool and found the the stft 182 counts and ltft 149 counts with an o2 sensor reading of 13 MV. Idle smooths when propane is added to air stream and fuel trims come down with o2 reading in...
March 28, 2013
1996 Chevrolet Lumina 3.1L No Start, Poor Idle Quality, Surge, Stall, Misfire, MIL Lamp on VIN: 2G1WL52M0T
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. This car came in just over a week ago for a surge/misfire issue. Car ran ok so we went to the plugs. Original plugs so they were changed, test drove and all was good? Cuat. picked up car made a couple blocks and the surge/misfire was back and the SES light cam...
March 28, 2013
1995 Buick Riviera 3.8L Poor Idle Quality, Misfire VIN: 1G4GD22K3S
P0131: oxygen sensor signal low lean. Vehicle came into the shop running very rough at idle. We hooked up scan tool and found the the stft 182 counts and ltft 149 counts with an o2 sensor reading of 13 MV. Idle smooths when propane is added to air stream and fuel trims come down with o2 reading in...
March 29, 2013