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1995 Jeep Grand Cherokee Limited 5.2L Excessive Emissions, Poor Idle Quality, MIL Lamp on
Hello group, I have one I can't find the problem on. It has 4.96 volts on the O2 sensor signal lead coming directly from the computer. It never changes when you start the engine or when the key is on and engine off. I have unhooked the lead from the ecm an...
FIX posted 8/19/1999
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| VIN | 1J4GZ78Y8S |
| Engine | 5.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 21 | O2 sensor shorted to high |
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Vehicle Data
1995 Jeep Grand Cherokee Limited
| VIN | 1J4GZ78Y8S |
| Engine | 5.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 21 | O2 sensor shorted to high |
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