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1994 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
client brought vehicle in with check engine light on. scanned for codes, #21 o2 sensor not reading & o2 sensor shorted-high voltage. vehicle had original o2 sensor. checked current data with engine running, found o2 sensor reading at steady .2 volts. replaced ...
FIX posted 3/23/2007
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Message Closed w/FIX
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Related Documents & Media | VIN | 1J4GZ58S6R |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 21 | high o2 sensor voltage |
Message Closed w/FIX
Vehicle Data
1994 Jeep Grand Cherokee Laredo
| VIN | 1J4GZ58S6R |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 21 | high o2 sensor voltage |
Video