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Engine Oil Pressure: Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the ground terminal from battery sensor. < Ref. to BATTERY , NOTE, Note. >
  2. Remove the oil pressure switch. < Ref. to REMOVAL , Oil Pressure Switch. >
  3. Install the oil pressure gauge to the chain cover.
    Fig 1: Checking Engine Oil Pressure
    G10266644Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the ground terminal to battery sensor. < Ref. to BATTERY , NOTE, Note. >
  5. 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 specification, check oil pump, oil filter and lubrication line. < Ref. to INSPECTION , Engine Lubrication System Trouble in General. >
    • If the oil pressure warning light is ON and oil pressure is within standard, check the oil pressure switch. < Ref. to INSPECTION , Engine Lubrication System Trouble in General. >

    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 

    65 kPa (0.7 kg/cm 2  , 9 psi) or more (at 3,000 r/min) 

    Standard 

    324 kPa (3.3 kg/cm 2  , 47 psi) or more 

  6. After inspection, install the related parts in the reverse order of removal.
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