Idle Speed & Ignition Timing

WARNING: This page is about a different car, the 1995 Honda Prelude. However, it is still accessible from the selected car via links, so may be relevant.

Ensure idle speed and ignition timing are set to specification. See IDLE SPEED SPECIFICATIONS and IGNITION TIMING . For adjustment procedures, see ADJUSTMENTS - 2.3L article.

IDLE SPEED SPECIFICATIONS

Application

RPM

2.3L ⁽¹⁾

500-600

⁽¹⁾	With Electronic Air Control Valve (EACV) or Idle Air Control (IAC) valve disconnected, headlights and cooling fan off, and transmission in Neutral or Park.

IGNITION TIMING (Degrees BTDC @ RPM)

Application	Specification
2.3L	13-17 @ 650-750