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P1131 Diagnostic Trouble Code Discussion for May 2007

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 Ford Explorer Sport 4.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1FMYU70E81
P1131: ho2s11sensor lean. could this be intake gasket leaking or plugged cat
May 10, 2007
1997 Lincoln Continental Spinmaker Edition 4.6L Cuts out, Stall, MIL Lamp on VIN: 1LNLM97V9V
P1131: ho2s11 indicates lean. this car has a stalling problem when hitting bumps or occasionally makeing a turn. fuel pressure does no drop when stalling occurs
May 14, 2007
2002 Ford Taurus LX 3.0L MIL Lamp on VIN: 1FAFP55UG2
P1131: . ... problems. first one is when you fill it with fuel you can put in about two gallons and then it will start flowing to slow and kick out the pump nozzle. doesn't matter how you put the nozzle in it will still start doing it after a couple gallons. if you unh...
May 20, 2007