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1989 Jeep Cherokee 4.0L Hesitation, Surge
Need proper wiring diagram or fuel pump circuit description. Alldata innacurate on both for this model. Fuel pressure increases to normal and engine runs great on WOT but has low pressure at idle (26-28 psi) Fuel pump is fed through resistor which is dropp...
FIX posted 8/17/1999
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Message Closed w/FIX
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| VIN | 1J4FJ58L6K |
| Engine | 4.0 L / 6 cyl |
| Emissions | Fed |
| Symptoms | Hesitation, Surge |
| Occurs | Always, on Accel, Cruise |
Message Closed w/FIX
Vehicle Data
1989 Jeep Cherokee
| VIN | 1J4FJ58L6K |
| Engine | 4.0 L / 6 cyl |
| Emissions | Fed |
| Symptoms | Hesitation, Surge |
| Occurs | Always, on Accel, Cruise |
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