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1994 Jeep Grand Cherokee Limited 4.0L MIL Lamp on
Codes showing high voltage on three sensors. Hooked up scanner and checked data stream, not showing high voltage on IAT sensor, TPS sensor or O2 sensor. I did go ahead and replaced O2 sensor because of high miles , back truck out of shop and light came back on...
FIX posted 8/3/2005
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Message Closed w/FIX
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Related Documents & Media | VIN | 1J4GZ8S7RC |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| 21 | O2 sensor high voltage |
| 23 | IAT sensor high voltage |
| 24 | TPS high voltage |
Message Closed w/FIX
Vehicle Data
1994 Jeep Grand Cherokee Limited
| VIN | 1J4GZ8S7RC |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| 21 | O2 sensor high voltage |
| 23 | IAT sensor high voltage |
| 24 | TPS high voltage |
Video