Idle Speed & Ignition Timing

See IDLE SPEED & CO LEVEL and IGNITION TIMING tables. For idle speed adjustment procedures, see ADJUSTMENTS - TURBO article.

IDLE SPEED & CO LEVEL ⁽¹⁾

Application

Idle RPM

⁽²⁾ % CO Level

850

⁽³⁾ 850

⁽³⁾ 0.2-0.8

⁽¹⁾	Idle speed and CO level can only be checked, not adjusted.

⁽²⁾	Measured upstream of catalytic converter with oxygen sensor connected.

⁽³⁾	With cooling fan off.

IGNITION TIMING (Degrees BTDC @ RPM)

Application

⁽¹⁾ Timing

850 Turbo

4-8 @ 750-850

⁽¹⁾	Ignition timing is computer-controlled and is not adjustable.