Chevy Corvette C5 - Oil Pressure Sending Unit. Readings Are Fundamental. HOT ROD Staff Writer Jan 01, 2013. See All 19 Photos. Readings such as this one are normal for an LS1 C5.

Fuel pressure drops on Chevy minivan after warmup. By PAUL BRAND. February 9, 2013 at 5 ... the oil pressure sender will open the ground to the relay to stop the pump and protect the engine from ...

The oil-pressure sending unit on 305- and 350-inch Chevy engines is at 1 o'clock in relation to the distributor. This a common area for oil leaks to occur, so we made sure the fittings were tightened.