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1999 Jeep Wrangler Sport 4.0L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
At first this jeep didn't seem to hard to deal with. Basically it Is always running rich. The Long and short term fuel trims are at -30% or more. Another interesting thing is it has a high idle. Well We checked for vaccum leaks with a smoke machine and none we...
FIX posted 9/2/2005
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Message Closed w/FIX
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4 Replies Received
Related Documents & Media | VIN | 1J4FY19S7X |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / mfi |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 172 | Fuel System Rich |
Message Closed w/FIX
Vehicle Data
1999 Jeep Wrangler Sport
| VIN | 1J4FY19S7X |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / mfi |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 172 | Fuel System Rich |
Video