Operation CHARM: Car repair manuals for everyone.

Oil Pressure Sender: Testing and Inspection




Engine Oil Pressure Switch Test

1. Disconnect the oil pressure switch connector (A) from the oil pressure switch (B).





2. Check for continuity between the oil pressure switch terminal (C) and the engine (ground). There should be continuity with the engine stopped. There should be no continuity with the engine running.

3. If the switch fails to operate, check the engine oil level Testing and Inspection. If the engine oil level is OK, check the engine oil pressure. If the oil pressure is OK, replace the oil pressure switch Service and Repair.