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1994 Ford F-150 XL 5.0L Poor Idle Quality, MIL Lamp on, self test
Posted to Ford Driveability on 11/28/2003 14 Replies

when the truck is started, the cel flashes four times and the idle rises for a few seconds, then drops. i suspect that it is going into self test mode. i have checked all related circuits, with normal results. removed sti wire from ecm connector and it still w...

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Message Closed w/FIX

car Vehicle Data

1994 Ford F-150 XL

VIN 1FTEF15N4R
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
Emissionsus fed emission
SymptomsPoor Idle Quality, MIL Lamp on, Self Test
OccursCold, Hot, Idle, After Startup
Misc.Calibration No. 4-54E-R00
Message Closed w/FIX

car Vehicle Data

1994 Ford F-150 XL

VIN 1FTEF15N4R
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
Emissionsus fed emission
SymptomsPoor Idle Quality, MIL Lamp on, Self Test
OccursCold, Hot, Idle, After Startup
Misc.Calibration No. 4-54E-R00