Where is the oil sending unit located on a 1997 Ford F150 4.2 liter?
The oil pressure sending unit on a 1997 Ford F-150 with the 4.2L engine is located on the driver's side (left side) of the engine block, near the oil filter. It's a relatively small unit with one or two wires connected to it. You'll likely need to get under the truck to see it clearly.