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1999 Ford F-250 Super Duty Lariat 7.3L Poor Fuel Economy
This vehicle runs great. The customer's concern is that the fuel economy has dropped from 18MPG to 12MPG in the past 5000 miles. All systems tests - ok. There are no TSB's that I can find that relate to this concern. What should he expect? Are there any secret...
FIX posted 10/24/2001
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Related Documents & Media | VIN | 1FTNX21F0X |
| Engine | 7.3 L / 8 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / Diesel |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Not Applicable |
Message Closed w/FIX
Vehicle Data
1999 Ford F-250 Super Duty Lariat
| VIN | 1FTNX21F0X |
| Engine | 7.3 L / 8 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / Diesel |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Not Applicable |
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