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Home >> Acura >> 1994 >> NSX Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures >> Idle Speed & Ignition Timing >> Inspecting Idle Speed
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Inspecting Idle Speed

  1. Start the engine and let it warm up until the cooling fan comes on. Ensure all accessories are off.
  2. Connect a tachometer to the test tachometer connector. See Fig 1 .
  3. For engine idle speed specification, see ENGINE IDLE SPEED  .
  4. For adjustment procedures, see 1991-01 ON-VEHICLE ADJUSTMENTS -- NSX & NSX-T article.
Fig 1: Connecting Test Tachometer
G00125714Courtesy of AMERICAN HONDA MOTOR CO., INC.
ENGINE IDLE SPEED

Application RPM
Manual Transmission 800 +/- 50
Automatic Transmission 750 +/- 50
Fast Idle 1100 To 1900
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