Idle Speed & Ignition Timing

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

IDLE SPEED & CO LEVEL

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

Application

⁽¹⁾ Timing

B5254S Non-Turbo Engine ⁽²⁾

3-7 @ 850

All Others

6 @ 850

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

⁽²⁾	With Motronic 4.3 engine management system.