Engine balks on slow accelleration

I have a 1989 Chevy Silverado 4 by 4 p.u. with a 350 engine. It’s almost impossible to back up to a trailer because the engine balks, loads up and dies on slow accelleration. Any ideas why the engine won’t take slow fuel feed.

Does it have a carb or FI?

If you have a carburetor, you may have a missing hot air pipe going to the air cleaner. You are never supposed to get less than 50% heated air. You can make a new one with the right size tube that you can buy that is made for that purpose. Then you buy a short piece of exhaust pipe and put it in the hole at the exhaust manifold where the original pipe was, then put the hose on it. Some engines will stall without that pipe installed.


You have a TBI (throttle body injection) fuel injection system. There are two injectors that sit on top of the throttle body, my guess is that one or both is either clogged or bad, try a bottle of fuel injector cleaner and run it hard.