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1990 Ford F-150 Custom 5.8L Poor Fuel Economy
WHAT WE ARE CHASEING IS : THIS TRUCK RUNS RICH ALL THE TIME. RUNS BLACK SMOKE. REPLACED 02 SENSOR, CHECKED THE MAP SENSOR, CHECKED INJECTORS OHMS RESISTANCE AND INJECTOR FLOW. I HAVE THE UPPER INTAKE OFF NOW. ALSO CHECKED THE GROUNDS, AND THEY ARE OK. WHEN THE...
FIX posted 12/28/2000
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| VIN | 1FTDF15H6L |
| Engine | 5.8 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
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Vehicle Data
1990 Ford F-150 Custom
| VIN | 1FTDF15H6L |
| Engine | 5.8 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
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