Question

How do I repair the engine code P0320 for the 2000 Ford Explorer Sport 2000 Manual 4.0L?

Answer 1

have you replaced the spark plugs wires and spark plugs? if not you should start there

if that does not fix it the crankshaft position sensor might be bad

Answer 2

P0320 FORD Code - Ignition/Distributor Engine Speed Input Circuit Malfunction
Read more: https://www.autocodes.com/p0320_ford.html