
2010 Ford E-450 Super Duty 6.8L MIL Lamp on
Smoke tested it and found the nipple bonded to the left
valve cover broken off. Replaced valve cover smoked tested
again and found no more vacuum leaks. Installed known good
mass air flow sensor. Test drove again and the p0171 came
back.
FIX posted 10/31/2016
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Message Closed w/FIX
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VIN | 1FDXE4FS8A |
Engine | 6.8 L / 10 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
2010 Ford E-450 Super Duty
VIN | 1FDXE4FS8A |
Engine | 6.8 L / 10 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |