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2002 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
Posted to Chrysler Driveability on 10/7/2010 9 Replies

This poor jeep keeps setting this code. We can start it cold and within a couple minutes, it sets p0135. The voltage is dropping below 3 volts within 75 seconds like the test says, so its hard to understand why it keeps saying there is a problem when the volta...

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  Related Documents & Media  2002 Jeep Grand Cherokee Laredo

 
Message Closed w/FIX

car Vehicle Data

2002 Jeep Grand Cherokee Laredo

VIN 1J4GX48S92
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCold

Trouble Codes

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

car Vehicle Data

2002 Jeep Grand Cherokee Laredo

VIN 1J4GX48S92
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCold

Trouble Codes

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