Engine Oil Pressure: Inspection

Disconnect the ground cable from the battery.

Fig 1: Disconnecting Ground Cable From Battery
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Remove the oil pressure switch. Refer to REMOVAL , Oil Pressure Switch.
Connect the oil pressure gauge to cylinder block.
Connect the ground cable to battery.

Fig 2: Connecting Ground Cable To Battery
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Start the engine, and measure the oil pressure.

Fig 3: Measuring Oil Pressure
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Oil pressure:

Standard 98 kPa (1.0 kg/cm ² , 14 psi) or more at 600 RPM 294 kPa (3.0 kg/cm ² , 43 psi) or more at 5,000 RPM
- If the oil pressure is out of specification, check oil pump, oil filter and lubrication line. Refer to INSPECTION , Engine Lubrication System Trouble in General.
- If the oil pressure warning light is ON and oil pressure is within specification, check the oil pressure switch. Refer to INSPECTION , Engine Lubrication System Trouble in General.
  NOTE: Standard value is based on an engine oil temperature of 80°C (176°F).
After measuring the oil pressure, install the oil pressure switch. Refer to INSTALLATION , Oil Pressure Switch.