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2003 Ford F-250 Super Duty Lariat 5.4L Stall, Misfire
Posted to Ford Driveability on 7/17/2012 9 Replies

We are at wits end. Engine will stall aat stops in or out of gear, like you turn off the key. Always restarts. Can kill engine by pumping the brake booster. Seems robbing vacuum will cause it to stall. Other wise runs fairly smooth. Did notice erratic compress...

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car Vehicle Data

2003 Ford F-250 Super Duty Lariat

VIN 3FTNX20L73
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsStall, Misfire
OccursHot, Idle
Misc.Const.trk
Message Closed

car Vehicle Data

2003 Ford F-250 Super Duty Lariat

VIN 3FTNX20L73
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsStall, Misfire
OccursHot, Idle
Misc.Const.trk