Solenoid Plunger Inspection
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2005 Acura NSX, 2004 Acura NSX, 2003 Acura NSX-T, 2003 Acura NSX, and 2002 Acura NSX-T. However, it is still accessible from the selected car via links, so may be relevant.
Check contact points, and face of starter solenoid plunger for burning, pitting or any other defects. See Fig 1 . If surfaces are rough, recondition with a strip of #500 or #600 sandpaper.