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1996 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
since an over-heat the engine runs very rich.10%.the o2 sensor is in full lean position,the ect is ok at 750 ohms at 199 [...] fuel pressure is ok at 50 [...] map and tps are all in [...] is this 4.0 jeep running so rich?
FIX posted 10/11/2001
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Related Documents & Media | VIN | 1J4GZ58S5T |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1996 Jeep Grand Cherokee Laredo
| VIN | 1J4GZ58S5T |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
| Occurs | Always |
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