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1989 Jeep Cherokee 4.0L Excessive Emissions, Poor Fuel Economy, No MIL
Car failed emission test. Engine will not go into closed
loop. Oxygen sensor won't cycle. Short & long term fuel
trim: 128. Injector pulse width: 7.6
FIX posted 4/2/2009
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Message Closed w/FIX
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8 Replies Received
8 Replies Received
Related Documents & Media | VIN | 1J4FJ28L3K |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / Port fuel injection |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions, Poor Fuel Economy, No MIL |
| Occurs | Always, Hot |
Message Closed w/FIX
Vehicle Data
1989 Jeep Cherokee
| VIN | 1J4FJ28L3K |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / Port fuel injection |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions, Poor Fuel Economy, No MIL |
| Occurs | Always, Hot |
Video