Idle Speed & Ignition Timing

See IDLE SPEED & CO LEVEL and IGNITION TIMING tables. Idle speed is not adjustable.

IDLE SPEED & CO LEVEL⁽¹⁾

Application

Idle RPM

⁽²⁾CO Level

C70, S70 & V70

⁽³⁾850

⁽³⁾.2-1.0%

S80

850

.2-1.0%

⁽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 on.

IGNITION TIMING (DEGREES BTDC @ RPM)

Application

⁽¹⁾Timing

C70, S70 & V70

6-10 @ 850

S80

8-12 @ 850

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