Where is the oil sending unit located on 2001 Chevy 4.3 vortec engine?
The oil pressure sending unit on a 2001 Chevy 4.3L Vortec 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 look closely around the oil filter area to find it.