1980-'96 Bronco Tech
Hi, I have a 1990 Ford bronco 5.0. Efi. I changed the spark plugs, rotor, cap, coil and wires; Wish I never did haha. I put in Motorcraft plugs gapped at .054 as it says in the haynes(also tried them at .044) neither stopped the shake. Put in Motorcraft wires as well. Firing order is the...