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1996 Jeep Grand Cherokee Laredo 5.2L MIL Lamp on
Check engine light on, code po138 bank 1 sensor 2 high voltage. {O2 sensor is post cat o2.} Using a mastertech scaner, the voltage was showing 4.97 volts and wasn't moving at all. I did end up changing o2 sensor. Same problem. I then drove for 30 min. to insur...
FIX posted 7/14/2003
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Message Closed w/FIX
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Related Documents & Media | VIN | 1J4GZ58Y3T |
| Engine | 5.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always, Idle, After a Hot Soak |
Trouble Codes
| P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage |
Message Closed w/FIX
Vehicle Data
1996 Jeep Grand Cherokee Laredo
| VIN | 1J4GZ58Y3T |
| Engine | 5.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always, Idle, After a Hot Soak |
Trouble Codes
| P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage |
Video