Where is the oil sending unit located for a 1998 Chevy Tahoe?

The oil pressure sending unit on a 1998 Chevy Tahoe is located on the driver's side of the engine block, near the oil filter. It's a relatively small unit with a single wire connection. However, the exact position can vary slightly depending on the engine (e.g., 4.8L, 5.7L). You'll need to consult a repair manual or a diagram specific to your Tahoe's engine for the precise location.