Engine Identification

Fig 1: Locating 2.8L V6 (AHA & ATQ) Engine Code (AHA Shown, ATQ Similar)

Courtesy of AUDI OF AMERICA, INC.

Fig 2: Locating 2.7L Bi-Turbo V6 (APB) Engine Code

Courtesy of AUDI OF AMERICA, INC.

Fig 3: Locating 4.2L V8 (ART, AWN & BBD) Engine Code

Courtesy of AUDI OF AMERICA, INC.

Fig 4: Locating 3.0L V6 (AVK) Engine Code

Courtesy of AUDI OF AMERICA, INC.

Fig 5: Locating 4.2L Bi-Turbo V8 (BCY) Engine Code

Courtesy of AUDI OF AMERICA, INC.

Fig 6: Locating 4.2L V8 (BAS) Engine Code

Courtesy of AUDI OF AMERICA, INC.