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2002 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
Posted to Chrysler Driveability on 2/14/2013 8 Replies

This has been eating our lunch. Jeep went elsewhere for MIL on, they put in NTK sensors. Codes returned. Per MOD DTC charts, heater resistance should 5 ohms or less at room temp. NTK measured 5.9 and 6.2. The Boss likes Bosch, got a set, they measure 5.2. Clos...

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  Related Documents & Media  2002 Jeep Grand Cherokee Laredo

 
Message Closed w/Summary

car Vehicle Data

2002 Jeep Grand Cherokee Laredo

VIN 1J4GW48S82
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCold

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
Message Closed w/Summary

car Vehicle Data

2002 Jeep Grand Cherokee Laredo

VIN 1J4GW48S82
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCold

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction