
1999 Jeep Grand Cherokee Limited 4.7L MIL Lamp on
We did the above repair on Wednesday, on Sunday the MIL light came back on. Same codes for o2 sensor heaters. We have checked grounds and voltage, everything seems to check out fine. O2 sensors have 11 ohms of resistance again. I wish we would have double chec...
FIX posted 3/8/2006
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Message Closed
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VIN | J4GW68N2XC |
Engine | 4.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Misc. | 4X$ |
Trouble Codes
P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |
Message Closed
Vehicle Data
1999 Jeep Grand Cherokee Limited
VIN | J4GW68N2XC |
Engine | 4.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Misc. | 4X$ |
Trouble Codes
P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |