Acura CL Integra NSX RL RSX TL TSX 2001-2006

Oil Pressure Sensor

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Removal & Installation



  1. Locate the oil pressure sending unit on the engine.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Disconnect the sending unit electrical harness.
  6.  
  7. Using a pressure switch socket, deep-well socket or wrench, loosen and remove the sending unit from the engine.
  8.  

To install:

  1. Install the sending unit in the vehicle and tighten securely.
  2.  
  3. Attach the electrical connector to the sending unit.
    NOTE
    The Powertrain Control Module (PCM) idle memory must be reset after reconnecting the battery. Start the engine and hold it at 3000 rpm until the cooling fan comes on. Then allow the engine to idle for about five minutes with all accessories OFF and with the transmission in Park or Neutral.

  4.  
  5. Connect the negative battery cable.
  6.  
  7. Start the engine, allow it to reach operating temperature and check for leaks.
  8.  
  9. Check for proper sending unit operation.
  10.  

Testing



The low oil pressure warning lamp will illuminate when the ignition switch is turned to the ON position without the engine running. The lamp also illuminates if the engine oil pressure drops below a safe oil pressure level. To test the system, perform the following:

  1. Turn the ignition switch to the ON position.
  2.  
  3. If the lamp does not light, check for a broken or disconnected wire around the engine and oil pressure sending unit switch.
  4.  
  5. If the wire at the connector checks out OK, pull the connector loose from the switch and, with a jumper wire, ground the connector to the engine.
  6.  
  7. With the ignition switch turned to the ON position, check the warning lamp. If the lamp still fails to light, check for a burned out lamp or disconnected socket in the instrument cluster.
  8.  

 
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