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1981 Ford F-100 Custom 4.9L Hesitation, Stall
Posted to Ford Driveability on 2/15/2000

vehicle has flat spot/hesitation on initial accel during warm-up (not cold and not hot} carb has been rebuilt. new plugs and cap and rotor. unhooked vac advance, performance improves. question? on this engine is the vac advance manifold or port? have hooke...

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car Vehicle Data

1981 Ford F-100 Custom

VIN 1FTCF10E7B
Engine4.9 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryCARB / carb
Emissionsfed
SymptomsHesitation, Stall
OccursCold, on Accel
Message Closed

car Vehicle Data

1981 Ford F-100 Custom

VIN 1FTCF10E7B
Engine4.9 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryCARB / carb
Emissionsfed
SymptomsHesitation, Stall
OccursCold, on Accel