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2009 Ford E-350 Super Duty 5.4L Hesitation, Surge
Posted to Ford Driveability on 1/14/2016 5 Replies

Truck hestitates & surges under load only, hot or cold, we can simulate it in the bay, it is not misfiring, when it does it the ecm is dropping the fuel pump duty cycle to 30% and commanding the throttle plates to close slightly, does it with the mass airflow ...

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  Related Documents & Media  2009 Ford E-350 Super Duty

 
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car Vehicle Data

2009 Ford E-350 Super Duty

VIN 1FDWE35L99
Engine5.4 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / efi
EmissionsOBD-II Compliant
SymptomsHesitation, Surge
OccursUnder Load
Message Closed w/FIX

car Vehicle Data

2009 Ford E-350 Super Duty

VIN 1FDWE35L99
Engine5.4 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / efi
EmissionsOBD-II Compliant
SymptomsHesitation, Surge
OccursUnder Load