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1984 Jeep CJ7 4.2L Poor Idle Quality, Hesitation, Poor Fuel Economy, blows black smoke
the jeep runs fine until it get to running tempature. then it starts blowing black smoke and spark knocking when it comes off idle. we have replaced the carb with a rebuild. we also replaced the module and ohmed the pickup. but still have the problem i...
FIX posted 11/30/1999
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| VIN | IJCCM87A8E |
| Engine | 4.2 L / 6 cyl |
| Emissions | us fed |
| Symptoms | Poor Idle Quality, Hesitation, Poor Fuel Economy, Blows Black Smoke |
| Occurs | Hot, on Accel |
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Vehicle Data
1984 Jeep CJ7
| VIN | IJCCM87A8E |
| Engine | 4.2 L / 6 cyl |
| Emissions | us fed |
| Symptoms | Poor Idle Quality, Hesitation, Poor Fuel Economy, Blows Black Smoke |
| Occurs | Hot, on Accel |
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