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1998 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
Hello again. I had this Jeep in the shop Saturday and tried to sort out what’s going on with the downstream O2 sensor (Fed emissions, only 2 sensors). Code is P0138, high voltage sensor 1-2. Sensor reading is off scale on the scan tool, and reading about 4.9 v...
FIX posted 10/26/2009
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Message Closed w/FIX
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Related Documents & Media | VIN | 1J4GZ58S0W |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage |
Message Closed w/FIX
Vehicle Data
1998 Jeep Grand Cherokee Laredo
| VIN | 1J4GZ58S0W |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage |
Video