Stalling when accelerating
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Joined: Apr 2005
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Stalling when accelerating
I'm the new owner of a 1976 F250 with a 460 and a motorcraft 4 barrel carburetor. I've changed the plugs, wires, rotor, air filter and a few other minor things. The main engine trouble I'm having is this, the engine stalls, it doesn't die, when I accelerate quickly. Slow steady acceloration happens without problems, but as soon as I stomp the pedal, she stalls.
I've sprayed some carb cleaner in the top and ran some cleaner through the gas tank. I'm hoping that my carb just needs to be adjusted. I've also tried adjusting what I beleive is an accelorator pump adjustment, but it hasn't helped.
What next? Any other threads I can read?
thanks
I've sprayed some carb cleaner in the top and ran some cleaner through the gas tank. I'm hoping that my carb just needs to be adjusted. I've also tried adjusting what I beleive is an accelorator pump adjustment, but it hasn't helped.
What next? Any other threads I can read?
thanks
Moderator
Joined: Dec 2001
Posts: 22,436
Likes: 17
From: Louisville,Ky.
Which Motorcraft carb do you have? If it is a 4350 series spreadbore, then it could have either a bad accelerator pump diaphram or a bad diaphram in the secondary air flap pull-off. This keeps the secndary air flap from opening too fast and causing a lean-out bog.
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