Idle Speed & Ignition Timing

WARNING: This page is about a different car, the 1997 Volvo 850. However, it is still accessible from the selected car via links, so may be relevant.

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

850

⁽³⁾ 850

⁽³⁾ .2-1.0

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

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

⁽³⁾	With cooling fan off.

IGNITION TIMING (Degrees BTDC @ RPM)

Application

⁽¹⁾ Timing

Turbo

6 @ 850

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