Engine Oil Pressure: Testing and Inspection

Oil pressure and oil pressure switch, checking

Special tools and equipment





- VAG1342 compression tester
- VAG1342/14 adapter
- VAG1527B voltage tester
- VAG1594A connector test kit

Test requirements
- Engine oil level OK, checking
- Oil Pressure Warning Light -K3- must light up for approximately 3 seconds when ignition is switched on.
- Oil temperature at least 80 °C (radiator fan must start up once)

Oil pressure, checking

- Check oil pressure at various engine speeds:
Idle: at least 2.0 bar
2000 RPM: 3.0 to 5.5 bar
above 2000 RPM: maximum 7.0 bar
If specified values are not obtained:
- Repair mechanical damage, e.g. bearing damage.
At higher RPM, the oil pressure should not exceed 7.0 bar
If the specified value is exceeded:
- Check oil channels.
- If necessary replace oil pump.