
2004 Jeep Grand Cherokee Limited 4.0L MIL Lamp on
This Jeep has a reoccuring P0031. It came to me with two new upstream 02 sensors. After scoping the circuits I recommended a pcm and new 02 sensor. Customer declined repairs at that time. Two months later they decided to fix it. I don`t remember why I recommen...
FIX posted 11/11/2010
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Message Closed w/FIX
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VIN | 1J4GW48S54 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Not Applicable |
Misc. | 2 New Upstream 02 Sensors, Remain PCM W/Latest Updates |
Trouble Codes
P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage |
Message Closed w/FIX
Vehicle Data
2004 Jeep Grand Cherokee Limited
VIN | 1J4GW48S54 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Not Applicable |
Misc. | 2 New Upstream 02 Sensors, Remain PCM W/Latest Updates |
Trouble Codes
P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage |