2002 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
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...
Summary posted 3/11/2013
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Vehicle Data2002 Jeep Grand Cherokee Laredo
Trouble Codes
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Message Closed w/Summary
Vehicle Data
2002 Jeep Grand Cherokee Laredo
VIN | 1J4GW48S82 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Cold |
Trouble Codes
P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |