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Ignition Timing

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

IGNITION TIMING (DEGREES BTDC @ RPM)

Application Setting
Checking Value 4-8 @ 780-900
Adjusting Value 5-7 @ 780-900
Fig 1: Ignition Timing Mark Location
G46515Courtesy of AUDI OF AMERICA, INC.