350 TBI, Can't push gas pedal while idling

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Jarrett Melvin

Full Access Member
Joined
Oct 17, 2020
Posts
78
Reaction score
29
Location
Newfoundland
First Name
Jarrett
Truck Year
1983
Truck Model
C20
Engine Size
350
Went out and started my 87 C30 after sitting for jsut over month while I was away. Truck fired right up like usual and idles fine. But my gas pedal is extremely hard to push and when it do move she jumps to really high idle and stays there's even after u let off the pedal.

Turn off the truck, start it, it idles fine again until u push the pedal.

The gas pedal moves free when the truck is off also, so I don't understand why the pedal would move freely when the truck is off but get stiff when the truck idles.
 

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