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1988 Ford F-150 Custom 4.9L Poor Idle Quality, Misfire
Scoped the ignition system #3 cyl erratic, 140lbs comp., new plug , new wire, nochange in pattern or run charact. Rough idle, tach bounces, hot eng run lug down in 4th, ign. misfire-tach erratic- any ideas would be helpfull. Primary ign? need dist? Also has a ...
FIX posted 12/1/1998
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| VIN | 1FTEF15Y8J |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / EFI |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Hot, Under Load, Idle, After a Hot Soak |
Trouble Codes
| 11 | koeo |
| 12 | KOER cant raise idle |
| 87 | continious pri. fp circuit |
Message Closed w/FIX
Vehicle Data
1988 Ford F-150 Custom
| VIN | 1FTEF15Y8J |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / EFI |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Hot, Under Load, Idle, After a Hot Soak |
Trouble Codes
| 11 | koeo |
| 12 | KOER cant raise idle |
| 87 | continious pri. fp circuit |
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