
2005 Ford F-250 Super Duty Lariat 5.4L Poor Fuel Economy, MIL Lamp on
customer complains of MIL light on and poor fuel economy.
scanner shows both banks too lean codes. Diagnostic steps I
have performed so far....
FIX posted 9/23/2012
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Message Closed w/FIX
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VIN | 1FTSW215X5 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy, 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
2005 Ford F-250 Super Duty Lariat
VIN | 1FTSW215X5 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |