Hi,

I have a bone-stock 95 F150 with a 5.8 (188K) that i have owned since new, just recently i have noticed a slight drop in mileage. I changed the plugs, wires, cap, and rotor. The truck seemed to be running great and now the trans feels as though it is slipping when i am driving in OD. It only seems to do this when going up hill though.

Did my previous work have anything to do with this? Would having an electrical grounding problem affect any of this?

Any thoughts would be appreciated as i know very little about trannys. I fear the worst but am hoping for the best. Thanks!