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P1131 Diagnostic Trouble Code Discussion for January 2006

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
2003 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTRF17252
P1131: ho2s11 indicates lean. greetings again all.hope all had a great holiday season!! on this one we followed the routine in mitchell and is suggesting o2 replacement. we've checked for vac leaks, induction leaks, fuel pressure, etc. my problem is both sensors failing at the same time?? ...
January 04, 2006
1999 Ford Contour LX 2.5L Stall, MIL Lamp on VIN: 1MEFM66L6X
P1131: lack of switching b1s1. MORE INFO AT IDLE WHEN WARMED UP ENG SPD. 805RPM COOL TEMP. 98 C CLSD. LOOP AIR INTAKE TEMP 10 C MAF 3.48gm/s THROTTLE ANGLE 17.6% VEH. SPD. 0KM/H LTFT BANK 1 6.25% STFT BANK 1 0.00% O2 B1S1 265 MV O2 B1S2 85 MV LTFT BANK 2 25.00% STFT BANK 2 +32.81% O2 B2S1 ...
January 19, 2006
1999 Ford Contour LX 2.5L Stall, MIL Lamp on VIN: 1MEFM66L6X
P1131: lack of switching b1s1. MORE INFO AT IDLE WHEN WARMED UP ENG SPD. 805RPM COOL TEMP. 98 C CLSD. LOOP AIR INTAKE TEMP 10 C MAF 3.48gm/s THROTTLE ANGLE 17.6% VEH. SPD. 0KM/H LTFT BANK 1 6.25% STFT BANK 1 0.00% O2 B1S1 265 MV O2 B1S2 85 MV LTFT BANK 2 25.00% STFT BANK 2 +32.81% O2 B2S1 ...
January 26, 2006
2003 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTRF17252
P1131: ho2s11 indicates lean. greetings again all.hope all had a great holiday season!! on this one we followed the routine in mitchell and is suggesting o2 replacement. we've checked for vac leaks, induction leaks, fuel pressure, etc. my problem is both sensors failing at the same time?? ...
January 04, 2006
1999 Ford Contour LX 2.5L Stall, MIL Lamp on VIN: 1MEFM66L6X
P1131: lack of switching b1s1. MORE INFO AT IDLE WHEN WARMED UP ENG SPD. 805RPM COOL TEMP. 98 C CLSD. LOOP AIR INTAKE TEMP 10 C MAF 3.48gm/s THROTTLE ANGLE 17.6% VEH. SPD. 0KM/H LTFT BANK 1 6.25% STFT BANK 1 0.00% O2 B1S1 265 MV O2 B1S2 85 MV LTFT BANK 2 25.00% STFT BANK 2 +32.81% O2 B2S1 ...
January 19, 2006
1999 Ford Contour LX 2.5L Stall, MIL Lamp on VIN: 1MEFM66L6X
P1131: lack of switching b1s1. MORE INFO AT IDLE WHEN WARMED UP ENG SPD. 805RPM COOL TEMP. 98 C CLSD. LOOP AIR INTAKE TEMP 10 C MAF 3.48gm/s THROTTLE ANGLE 17.6% VEH. SPD. 0KM/H LTFT BANK 1 6.25% STFT BANK 1 0.00% O2 B1S1 265 MV O2 B1S2 85 MV LTFT BANK 2 25.00% STFT BANK 2 +32.81% O2 B2S1 ...
January 26, 2006