Audi Workshop Service and Repair Manuals

Spark Plug: Specifications
Turbo

TURBO

Firing Order ................................................................................................................................................................................................... 1-2-4-5-3

Idle Speed ............................................................................................................................................................................................... 790 - 910 rpm

Ignition Timing (vacuum hoses disconnected) ........................................................................................................................ 21° BTDC @ 3000 rpm

Centrifugal Advance

1° - 7° ..................................................................................................................................................................................................... 1400 rpm
5° - 9° ..................................................................................................................................................................................................... 2000 rpm

Vacuum Advance ............................................................................................................................................................................................ 11° - 15°
Vacuum Retard ............................................................................................................................................................................................... 16° - 20°

Spark Plugs

Bosch ....................................................................................................................................................................................................... WR7DS
Beru .............................................................................................................................................................................................................. RS35
Champion ................................................................................................................................................................................................... N8GY

Spark Plug Gap ............................................................................................................................................................ 0.7 - 0.8 mm (0.028 - 0.032 in)

Ignition Coil Resistance

Between terminals 1 and 15 ........................................................................................................................................................ 0.52 - 0.76 ohms
Between terminals 1 and 4 ........................................................................................................................................................ 2400 - 3500 ohms