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1987 Ford F-150 Custom 4.9L Misfire, #4 & #6 cyl.
This one has got me freaked-fuel, timing, compression, spark, no discernable vac. leaks, yet both #4 & # 6 cylinders are absolutely dead, at idle, off idle high rev doesn't seem to matter. This is a rig from a used car lot, so no prior history is available...
FIX posted 4/12/1999
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| VIN | 1FTEF14Y4H |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Emissions | us fed |
| Symptoms | Misfire, #4 & #6 Cyl. |
| Occurs | Always |
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Vehicle Data
1987 Ford F-150 Custom
| VIN | 1FTEF14Y4H |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Emissions | us fed |
| Symptoms | Misfire, #4 & #6 Cyl. |
| Occurs | Always |
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