> I need help with a 405 (8 valve) that is not running right
>
> It "coughs" or hesitates for just an instant. This gets more and more
> frequent and then get's worse and becomes bucking or losing power for .1
> sec or so.
Is this problem more pronounced at high engine temps or after driving on
the highway for a while?
If so, I'd say fuel filter or one of the fuel pumps.
- Robert