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Home >> Ford >> 2012 >> Taurus SE >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System - General Information >> Diagnosis And Testing >> Engine >> Oil Pressure Test

Oil Pressure Test

  1. Disconnect and remove the oil pressure switch from the engine.
  2. Connect the engine Oil Pressure Gauge to the oil pressure switch oil galley port.
  3. Run the engine until normal operating temperature is reached.
  4. Run the engine at the specified RPM and record the gauge reading.
  5. The oil pressure should be within specifications; refer to the SPECIFICATION CHART  .
  6. If the pressure is not within specification, check the following possible sources:
    • Insufficient oil
    • Oil leakage
    • Worn or damaged oil pump
    • Oil pump screen cover and tube
    • Excessive main bearing clearance
    • Excessive connecting rod bearing clearance
    • Chain tensioner leak
    • Piston squirter stuck open
    • Oil pump relief valve stuck open
    • Improper oil grade
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