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Ignition Timing

CAUTION: Do not connect any test instruments to terminal 15 (+) of ignition coil. Use fuse 10 terminal for connection.
  1. Warm engine to normal operating temperature. Stop engine and disconnect oxygen sensor. Disconnect both plugs from idle stabilizer and connect them together.
  2. Pull PCV hose from valve cover. Adjust idle speed, and check ignition timing. Adjust timing by turning distributor. All vacuum hoses must remain connected.
    NOTE: Electric cooling fan must not run while adjustments are made.
    IGNITION TIMING (Degrees ATDC@RPM)

    Application Timing
    All Models (1) 3@850-1000
    (1) With vacuum hoses connected.
    Fig 1: Ignition Timing Mark Location
    G09314206Courtesy of AUDI OF AMERICA, LLC

    Timing mark is located at 3° ATDC. 

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