Generac 9344 — Low Oil Pressure Shutdown Test
Testing & diagnosis · Low oil pressure switch
For the Generac 9344, from the Generac service manual.
Applies to: Generac 9344
Procedure
- Start engine and let it run at no-load with electrical loads turned off.
- Remove the wire from the switch terminal.
- Hold the wire terminal end against a clean frame ground.
- The engine should shut down.
Tools required
- None
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Switch contacts close when oil pressure drops below approximately 10-11 psi
Full service-parts list: Generac 9344 →
Source: Generac service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.