truck wont go over 20mph
i have a 1996 ford f-150 5.0 302 engine i have changed the distributor, fuel pressure regulator, ignition coil, fuel filter,wires, plugs,air filter, and the truck will run it does idle a little rough but when I drive it, it wont go over 20mph any suggestions would be very helpful thanks
Check for a clogged catalytic converter.
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