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2010 Ford E-450 Super Duty 6.8L MIL Lamp on
Posted to Ford Driveability on 10/28/2016 5 Replies

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.

Monitored the data an...

5 Replies Received (View Replies)

  Related Documents & Media  2010 Ford E-450 Super Duty

 
Message Closed w/FIX

car Vehicle Data

2010 Ford E-450 Super Duty

VIN 1FDXE4FS8A
Engine6.8 L / 10 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

2010 Ford E-450 Super Duty

VIN 1FDXE4FS8A
Engine6.8 L / 10 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0171Fuel System Too Lean (Bank 1)