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Home >> Audi >> 1986 >> 4000 CS Quattro >> Repair and Diagnosis >> Engine Performance >> Adjustment >> Tune-Up - 4-CYL >> Adjustments >> Ignition Timing
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Ignition Timing

Ignition timing must be checked together with idle speed and mixture.

IGNITION TIMING (DEGREES BTDC @ RPM) (1)

Application Setting
4000S 6@850-1000
(1) With idle air by-pass valve hose blocked.
Fig 1: Ignition Timing Mark Location
G46515Courtesy of AUDI OF AMERICA, INC.
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