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1990 Ford F-150 Custom 4.9L Hesitation, MIL Lamp on
Posted to Ford Driveability on 5/18/1999

Posting for another tech. 'Ck eng' light on at times and also intermittent hesitation on very light acceleration at low speed. Had an oxygen sensor code. (Sorry, I don't know what code). Oxygen sensor tested and checks ok but replaced anyway. Also was runn...

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Message Closed w/FIX

car Vehicle Data

1990 Ford F-150 Custom

VIN 1FTDF15Y9L
Engine4.9 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / EFI
EmissionsCA emission system
SymptomsHesitation, MIL Lamp On
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1990 Ford F-150 Custom

VIN 1FTDF15Y9L
Engine4.9 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / EFI
EmissionsCA emission system
SymptomsHesitation, MIL Lamp On
OccursIntermittently