FixVault

Idle Speed & Ignition Timing

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

IDLE SPEED & CO LEVEL

Application (1) Idle RPM CO Level
G20 700-800 Less Than 10.0%
(1) With transmission in Neutral and no electrical load on engine.
IGNITION TIMING (Degrees BTDC @ RPM)

Application Specification
G20 (1) 13-17 @ 750-850
(1) Automatic transmission in Neutral and no electrical load.