1982 Ford EXP Accelleration Problems

Asked by Feb 24, 2015 at 12:00 AM

Question type: Maintenance & Repair

So my car has been sputtering really
bad when I hold my foot steady on
the accelerator. It eventually starts
decelerating and then when I put my
foot down to speed up it doesn't,
UNTIL I let off of the pedal a little bit
it will start accelerating at a pretty
fast rate. The carb has been fully
rebuilt along with a lot of stuff so I
can't think of what would cause this.
Idle air control valve maybe??? But
I'm not sure if mine actually has that
since it contains jets and air screws
not injected engines. Help???

1 Answer

98,365

Idle air control valve is a no on yours, but it did have a fuel cut solenoid but that was only in the idle circuit, your problem sounds more fuel or air jet related, is the accelerator pump working properly? Have you checked the air bleed jets and fuel jets in between the Venturi, these tend to back out if not set in properly and the air bleeds get dirty if the air filter is not properly maintained, the good news is you can clean these without disassembling the whole carb, if that isn't the case then you might have to check the fuel level in the float bowl it might be a bit too low, the only other thing I can think of right now is the operation of the vacuum advance unit, if it isn't working correctly you can get one heck of a stumble. 1982 EXP haven't seen one of those around for about 10 to 12 years.

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