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1989 Jeep Cherokee 4.0L Excessive Emissions, Poor Fuel Economy
Hi fellow techs, Problem is as follows: Engine warms up a higher than normal idle speed, approx 1200. As it goes into closed loop, integrator quickly shoots to 255 and then pops into open loop. Tps is barely out of spec on the high side at .76volts, all ot...
FIX posted 12/3/1999
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Message Closed w/FIX
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| VIN | 1J4FJ28L1K |
| Engine | 4.0 L / 6 cyl |
| Emissions | calf. |
| Symptoms | Excessive Emissions, Poor Fuel Economy |
| Occurs | Always |
| Misc. | 4X4 |
Message Closed w/FIX
Vehicle Data
1989 Jeep Cherokee
| VIN | 1J4FJ28L1K |
| Engine | 4.0 L / 6 cyl |
| Emissions | calf. |
| Symptoms | Excessive Emissions, Poor Fuel Economy |
| Occurs | Always |
| Misc. | 4X4 |
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