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1998 Ford Expedition Eddie Bauer 5.4L MIL Lamp on
Checked fuel pressure- OK. Checked for Vaccum leaks none found. O2 sensors are working . Vehicle runs great !! Can't replicate problem in the shop .checked TSB none found on MOD. Are there any common problems with the 5.4 simular like the 4.0 O-rings ,intake ,...
FIX posted 8/30/2000
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Related Documents & Media 
| VIN | 1FMPU18L9W |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | After Long Drive |
| Misc. | OBD 2 |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
1998 Ford Expedition Eddie Bauer
| VIN | 1FMPU18L9W |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | After Long Drive |
| Misc. | OBD 2 |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video