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2000 Toyota 4Runner Limited 3.4L MIL Lamp on
Posted to Asian Driveability on 10/31/2008 6 Replies

PLEASE HELP, I've hit a wall with this one. Customer brought this car in with MIL light on. Found P0135 and P0141 O2S heater circuit faults. I then proceeded to the flow charts after I noticed that the front O2 looked new. The flow chart says with key on engin...

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  Related Documents & Media  2000 Toyota 4Runner Limited

 
Message Closed w/FIX

car Vehicle Data

2000 Toyota 4Runner Limited

VIN JT3GN87R0Y
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCold, Idle
Misc.Federal

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2000 Toyota 4Runner Limited

VIN JT3GN87R0Y
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCold, Idle
Misc.Federal

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction