Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. For adjustment procedures, see ON-VEHICLE ADJUSTMENTS article.

IDLE SPEED

Application

⁽¹⁾ Idle RPM

G20

750-850

Q45

600-700

⁽¹⁾	With transmission in Neutral and no electrical load on engine.

IGNITION TIMING (Degrees BTDC @ Idle)

Application

⁽¹⁾ Specification

G20 & Q45

13-17° BTDC

⁽¹⁾	With transmission in Neutral and no electrical load on engine.