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1989 Ford F-150 Custom 5.8L Surge
I just replace engine with a Ford reman. longblock. After engine is warm, idle speed hunts up and down, especially after shifting from drive to park or neutral. Also the lights pulsate, like a bad regulator. Could the IAC be getting incorrect voltage and c...
FIX posted 11/24/1998
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| VIN | 1FTEX14H3K |
| Engine | 5.8 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | FED |
| Symptoms | Surge |
| Occurs | Hot, Idle |
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Vehicle Data
1989 Ford F-150 Custom
| VIN | 1FTEX14H3K |
| Engine | 5.8 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | FED |
| Symptoms | Surge |
| Occurs | Hot, Idle |
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