Idle Speed & Ignition Timing

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