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Home >> Lincoln >> 2004 >> Aviator AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1373 (Engine System-General Information) >> Diagnosis And Testing >> Engine >> Oil Pressure Test
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Oil Pressure Test

WARNING: This page is about a different car, the 2005 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect and remove the oil pressure sensor from the engine.
  2. Connect the Oil Pressure Gauge to the oil pressure sender 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 in ENGINE -- TOWN CAR .
  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
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