Engine Oil Pressure: Inspection

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY
Remove the oil pressure switch. Ref. to LUBRICATION (H4DOTC)>OIL PRESSURE SWITCH>REMOVAL
Install the oil pressure gauge to the installation area for the oil pressure switch of the chain cover.

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Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY
Start the engine, and check the oil pressure.
NOTE:
- Standard value is based on an engine oil temperature of 80°C (176°F).
- If the oil pressure is out of the specification, check oil pump, oil filter and lubrication line. Ref. to LUBRICATION (H4DOTC)>SYMPTOMS AND CAUSES>INSPECTION
- If the oil pressure warning light is ON and oil pressure is within standard, check the oil pressure system. Ref. to LUBRICATION (H4DOTC)>OIL PRESSURE SYSTEM>INSPECTION
Engine oil pressure:

While idling (no load, and for CVT model, select lever in "P" or "N" range, for MT model, gear shift lever in neutral position)

Standard

62 kPa (0.6 kg/cm² , 9 psi) or more

At 3, 000r/min

Standard

230 kPa (2.3 kg/cm² , 33 psi) or more
After inspection, install the related parts in the reverse order of removal.