Oil Pressure Check

Check engine oil level.
Remove the engine oil pressure switch. (Refer to REMOVAL AND INSTALLATION .)
Install the engine oil pressure gauge.
NOTE: Use a 1/8 pipe thread adapter.
Run the engine to warm it.
After the engine has been warmed up, check that engine oil pressure is within the standard value.
Standard value:

At idle: 29 kPa (4.2 psi) or more

At 3, 500 r/min: 294 - 686 kPa (43 - 100 psi)

Fig 1: Identifying Engine Oil Pressure Switch
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Remove the engine oil pressure gauge.
Install the engine oil pressure switch. (Refer to REMOVAL AND INSTALLATION .)