P0320 Ignition/Dist Speed Input Circuit Malfunction

Doesn't seem to be a very common code. I'm thinking possibly new plug wires or a new coil pack?

Any sure fire way to test these before i go throwin money away on parts I don't need?

Any other ideas?


I live in Detroit, I couldn't give a **** how good my car is in the "twisties." "I could use a hundred people who don't know there is such a word as impossible." ~Henry Ford