I Just Got A 1988 Ford Ranger Xlt 2.3 Liter 4 Banger. When I Got It, It Had A Bad Miss So I Replaced The Normal Stuff ....plugs, Wires, Cap, Rotor, Had The Ignition Module Bench Tested And It Was Ok. After All That It Still Had A Miss So I Asked Around And One Guy Told Me A Burnt Valve Was...