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2002 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
Called IDFix line, not a lot of help, this is very intermittent, code sets when below 20 deg, cold soak start, O2's have to drop below 3.0V in 75 sec. O2's are below 3V in 10 sec, swinging in 18 sec, downstreams swinging in 30 sec. Don't know what else to chec...
FIX posted 12/13/2013
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1J4GW48S82 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Cold, Intermittently |
Trouble Codes
| P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
| P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
2002 Jeep Grand Cherokee Laredo
| VIN | 1J4GW48S82 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Cold, Intermittently |
Trouble Codes
| P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
| P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |
Video