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1999 Ford F-250 Super Duty XL 5.4L Cuts out
This vehicle will bog down and loose fuel pressure, down to 10 psi while under load on highway. pressure will not build back up until throttle is released. We have tried straight wiring ground circuit to eliminate a problem with the variable speed relay. We mo...
FIX posted 10/28/2003
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Related Documents & Media | VIN | 1FTNF21LOX |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Cuts Out |
| Occurs | Hot, Under Load |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
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Vehicle Data
1999 Ford F-250 Super Duty XL
| VIN | 1FTNF21LOX |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Cuts Out |
| Occurs | Hot, Under Load |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
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