With the car sitting in neutral without touching anything what are the rpm like? Sitting in neutral, does pushing the pedal change the rpm? Does moving the throttle linkage change the rpm?

By the way, normally if the accelerator pump goes bad it will leak fuel slowly down the throat of the carb, causing it to bog down near idle and run rich.

1977 Toyota Celica Liftback
20r engine, electronic ignition retrofit, 14x7 supra alloys, weber 38DGES carb, LC Engineering header