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2003 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
this jeep came in with the check engine light on. i checked the codes and they were a p0456, and a p0051 which is a O2 bank 2 sensor 1 heater circuit low code. i replaced the o2 sensor with two different ones and the code p0051 comes back right away. the heate...
FIX posted 5/15/2006
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Message Closed
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Related Documents & Media | VIN | 1J4GX48S43 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | 2WD |
Trouble Codes
| P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage |
Message Closed
Vehicle Data
2003 Jeep Grand Cherokee Laredo
| VIN | 1J4GX48S43 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | 2WD |
Trouble Codes
| P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage |
Video