Spark Plugs

SPARK PLUG TYPE

Application	Bosch	Champion
All Models	W7DTC	N8GY

SPARK PLUG SPECIFICATIONS

Application	Gap: In. (mm)	Torque: Ft. Lbs. (N.m)
All Models	.028-.036 (.7-.9)	15 (20)

Fig 1: Firing Order & Distributor Rotation - 4-Cylinder

Fig 2: Firing Order & Distributor Rotation - 5-Cylinder

NOTE: Ignition timing, idle speed, and idle mixture are closely interelated on all models and MUST be checked/adjusted together. See the ADJUSTMENTS article.

IGNITION TIMING

Application	Setting
Checking Value	4-8 @ 780-900
Adjusting Value	5-7 @ 780-900

IGNITION TIMING

Application

Setting

2.22L ⁽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 3: 4 & 5-Cylinder Ignition Timing Mark Location

Courtesy of AUDI OF AMERICA, INC.