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1989 Jeep Cherokee 4.0L Poor Idle Quality, Cuts out, Misfire
The vehicle coughs and spits out the intake and exhaust, during idle and when just stepping on the gas. We have put a lab scope on the timing output pin of the ECU. The signal is good and clean when idleing, the minute you step into the gas the signal scramble...
FIX posted 9/5/1998
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| VIN | 1J4FJ38L3K |
| Engine | 4.0 L / 6 cyl |
| Emissions | fed |
| Symptoms | Poor Idle Quality, Cuts Out, Misfire |
| Occurs | Always, on Accel, Idle |
Message Closed
Vehicle Data
1989 Jeep Cherokee
| VIN | 1J4FJ38L3K |
| Engine | 4.0 L / 6 cyl |
| Emissions | fed |
| Symptoms | Poor Idle Quality, Cuts Out, Misfire |
| Occurs | Always, on Accel, Idle |
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