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P1131 Diagnostic Trouble Code Discussion for April 2012

Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean


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Trouble Ticket Help Requests for DTC P1131
Help Request Posted
2001 Audi A6 Quattro 2.7L MIL Lamp on VIN: WAUED64B41
P1131: 02 sensor s1b1. ... lihgt was P1113. My question is will the code for the exhaust temp sensor P1457, turn on the cel after I replace the 02s. Also how do you replace the left exhaust sensor? I can't even see it! Alldata does not list the proceedure but does show a time of 1 h...
April 04, 2012
2002 Ford Focus ZX5 2.0L Poor Idle Quality, MIL Lamp on VIN: 3FAFP37332
P1131: H02S11 reads lean. Hello and thanks for your help. This car has rough idle all the time. The engine smooths out when you get it off idle. It appears to be running lean as when propane is added into the air cleaner the idle speeds up and smooths out. However the fuel pressure and...
April 20, 2012
2003 Ford Explorer Sport Trac XLT 4.0L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1MFMZU67E3
HI FELLO TECHS this vehicle came to the shop with the above mention codes we cleared them and the codes came back during twoo hours of driving ,we change the oxygen sensors as well as the intake manifold gaskets[ both sets ] . ,i clean the air flow sensor and...
April 20, 2012
2001 Audi A6 Quattro 2.7L MIL Lamp on VIN: WAUED64B41
P1131: 02 sensor s1b1. ... lihgt was P1113. My question is will the code for the exhaust temp sensor P1457, turn on the cel after I replace the 02s. Also how do you replace the left exhaust sensor? I can't even see it! Alldata does not list the proceedure but does show a time of 1 h...
April 04, 2012
2002 Ford Focus ZX5 2.0L Poor Idle Quality, MIL Lamp on VIN: 3FAFP37332
P1131: H02S11 reads lean. Hello and thanks for your help. This car has rough idle all the time. The engine smooths out when you get it off idle. It appears to be running lean as when propane is added into the air cleaner the idle speeds up and smooths out. However the fuel pressure and...
April 20, 2012
2003 Ford Explorer Sport Trac XLT 4.0L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1MFMZU67E3
HI FELLO TECHS this vehicle came to the shop with the above mention codes we cleared them and the codes came back during twoo hours of driving ,we change the oxygen sensors as well as the intake manifold gaskets[ both sets ] . ,i clean the air flow sensor and...
April 20, 2012