Ignition Timing

Ignition timing, idle speed, and idle mixture are closely interrelated and MUST be checked/adjusted together. See IDLE SPEED in this article.

IGNITION TIMING (DEGREES BTDC @ RPM)

Application

Setting

2.22L ⁽¹⁾

TDC @ 750-850

2.3L ⁽²⁾

Checking Value

13-17 @ 720-860

Adjusting Value

14-16 @ 720-860

⁽¹⁾	Idle speed for automatic transmission is 670-770 RPM.

⁽²⁾	Idle speed for 5000S series must be 670-770 RPM.

Fig 1: Ignition Timing Mark Location

Courtesy of AUDI OF AMERICA, INC.