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Spark Plugs

SPARK PLUG TYPE

Application Bosch Champion
All Models (1) W7DTC N8GY
(1) On 2.2L turbo models, WR7DS (Bosch) or N9BYC (Champion) may also be used.
SPARK PLUG SPECIFICATIONS

Application Gap In. (mm) Torque Ft. Lbs. (N.m)
2.2L Turbo .024-.032 (.6-.8) 14 (19)
2.3L .027-.035 (.8-.9) 15 (20)
Fig 1: 5-Cylinder Firing Order & Distributor Rotation
G61038
NOTE: Ignition timing, idle speed and idle mixture MUST be checked/adjusted together. See ADJUSTMENTS article in the ENGINE PERFORMANCE Section.
IGNITION TIMING

Application Setting (Degrees BTDC @ RPM)
2.2L Turbo (Man. Trans.) (1) TDC @ 750-850
2.3L
Checking Value 13-17 @ 720-860
Adjusting Value 14-16 @ 720-860
(1) Idle speed for automatic transmission is 670-770 RPM.
Fig 2: Ignition Timing Mark Location (All Engines)
G46515Courtesy of AUDI OF AMERICA, INC.