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P0135 Diagnostic Trouble Code Discussion for March 2007

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance


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Trouble Ticket Help Requests for DTC P0135
Help Request Posted
1998 Ford Escort SE 2.0L MIL Lamp on VIN: 1FAFP13P1W
P0135: Bank 1 sensor 1 HO2S heater short or open. Pulled code P0135 : Bank one sensor one oxygen sensor heater short or open.Parasitic drain reads about .5 amps draw.Draw goes away when 30 amp fuel injection fuse is pulled out.With FI fuse reinstalled I unplug the B1S1 O2S connector and the drain also goes aw...
March 13, 2007
1997 Ford Explorer Sport 4.0L MIL Lamp on VIN: 1FMCU24X8V
P0135: ho2s-21 slow response fixed. WHEN VEHICLE ARRIVED CODES P0133 & P0153 WHERE IN MEMORY. RESEARCHED TSB'S AND FOUND TSB 97-15-22, REPROGRAM PCM IF BOTH CODES P0133 & P0153 WHERE IN MEMORY WITH NO DRIVEABILITY COMPALINTS. 1st-CHECKED UNDERHOOD FOR UPDATED DECAL, NONE FOUND, SENT PC...
March 30, 2007
1998 Ford Escort SE 2.0L MIL Lamp on VIN: 1FAFP13P1W
P0135: Bank 1 sensor 1 HO2S heater short or open. Pulled code P0135 : Bank one sensor one oxygen sensor heater short or open.Parasitic drain reads about .5 amps draw.Draw goes away when 30 amp fuel injection fuse is pulled out.With FI fuse reinstalled I unplug the B1S1 O2S connector and the drain also goes aw...
March 13, 2007
1997 Ford Explorer Sport 4.0L MIL Lamp on VIN: 1FMCU24X8V
P0135: ho2s-21 slow response fixed. WHEN VEHICLE ARRIVED CODES P0133 & P0153 WHERE IN MEMORY. RESEARCHED TSB'S AND FOUND TSB 97-15-22, REPROGRAM PCM IF BOTH CODES P0133 & P0153 WHERE IN MEMORY WITH NO DRIVEABILITY COMPALINTS. 1st-CHECKED UNDERHOOD FOR UPDATED DECAL, NONE FOUND, SENT PC...
March 30, 2007