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1994 Jeep Grand Cherokee SE 4.0L Hesitation, Poor Fuel Economy, MIL Lamp on
Jeep has had mil light coming on for few months. After warm up only. OTC scanner shows low vacuum, lean-rich switches ok first few minutes of start up, even with engine warm. MIL light will come on at idle as well as driving after few minutes of running. Tried...
FIX posted 5/29/2004
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Message Closed w/FIX
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9 Replies Received
Related Documents & Media | VIN | 1J4GZ68S5R |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / MFI |
| Emissions | Federal |
| Symptoms | Hesitation, Poor Fuel Economy, MIL Lamp On |
| Occurs | Hot, Idle, Intermittently |
Trouble Codes
| 21 | 02 sensor runs rich |
Message Closed w/FIX
Vehicle Data
1994 Jeep Grand Cherokee SE
| VIN | 1J4GZ68S5R |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / MFI |
| Emissions | Federal |
| Symptoms | Hesitation, Poor Fuel Economy, MIL Lamp On |
| Occurs | Hot, Idle, Intermittently |
Trouble Codes
| 21 | 02 sensor runs rich |
Video