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1987 Ford F-150 Custom 4.9L Excessive Emissions
Initial problem was high HC. Ran SUN500 on this thing and it indicated that there was a problem with one of the plugs. So I replaced all of the plugs and SUN500 was satisfied that the ignition problem was fixed, but HC at idle was still too high (350 to 60...
FIX posted 10/24/1999
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| VIN | 1FTDF15Y3H |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | FI / EFI |
| Emissions | Federal |
| Symptoms | Excessive Emissions |
| Occurs | Idle |
Message Closed w/FIX
Vehicle Data
1987 Ford F-150 Custom
| VIN | 1FTDF15Y3H |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | FI / EFI |
| Emissions | Federal |
| Symptoms | Excessive Emissions |
| Occurs | Idle |
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