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1999 Ford F-250 Super Duty Lariat 5.4L Misfire
Posted to Ford Driveability on 5/15/2019 27 Replies

Engine misfires under load. Has no check engine light operation, won't set code when induced, no misfire counts, no counts in mode 6 and does not show cylinder contribution data. Datastream info seems accurate, except misfires. I've checked all fuses and t...

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  Related Documents & Media  1999 Ford F-250 Super Duty Lariat

 
Message Closed w/Summary

car Vehicle Data

1999 Ford F-250 Super Duty Lariat

VIN 1FTNF21L4X
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load
Message Closed w/Summary

car Vehicle Data

1999 Ford F-250 Super Duty Lariat

VIN 1FTNF21L4X
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load