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2005 Jeep Wrangler Unlimited 4.0L MIL Lamp on
Hope some tachs have seen this problem. Jeep started out intermited but now is setting on start up. Clear codes and start they come back as soon as engine runs for a very short time. Unplugged pcm and tested each heater circuit by ohms each one read 5.1 to 5.7...
FIX posted 8/9/2014
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Message Closed w/FIX
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14 Replies Received
14 Replies Received
Related Documents & Media | VIN | 1J4FA44S25 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage |
| P0037 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage |
| P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage |
| P0057 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Low Voltage |
Message Closed w/FIX
Vehicle Data
2005 Jeep Wrangler Unlimited
| VIN | 1J4FA44S25 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage |
| P0037 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage |
| P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage |
| P0057 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Low Voltage |
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