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1986 Ford F-150 XL 4.9L Hesitation, Surge, Misfire
Posted to Ford Driveability on 3/1/2001

I feel embarrassed to post such a simple system but it is getting to annoy me. When we test drive this vehicle it will buck and stumble under light load but will take off and go if we step into the throttle. It will even shift late as if the vacuum modulator v...

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car Vehicle Data

1986 Ford F-150 XL

VIN 2FTEF15Y5G
Engine4.9 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryCARB / 1BBL
Emissionsnon catalyst
SymptomsHesitation, Surge, Misfire
OccursAlways, Hot, on Accel, Cruise
Message Closed w/FIX

car Vehicle Data

1986 Ford F-150 XL

VIN 2FTEF15Y5G
Engine4.9 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryCARB / 1BBL
Emissionsnon catalyst
SymptomsHesitation, Surge, Misfire
OccursAlways, Hot, on Accel, Cruise