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2000 Ford F-250 Super Duty Lariat 5.4L MIL Lamp on
this truck came in with codes p0171 and p0174 for banks 1 and 2 lean and when at wot has a major loss of power. I have checked fuel pressure ( 30 idle and rises to almost 40 under acceleration) removed both upstream o2 sensors to check for restricted exhaust w...
FIX posted 9/28/2016
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Message Closed w/FIX
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17 Replies Received
17 Replies Received
Related Documents & Media | VIN | 3FTNX20L9Y |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2000 Ford F-250 Super Duty Lariat
| VIN | 3FTNX20L9Y |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video