Check knock sensors: Notes

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Recommended special tools and equipment

VAG1526A hand multimeter
VAG1594A connector test kit
VAG1598/31 test box

Fig 1: Identifying Special Tools

Courtesy of AUDI OF AMERICA, INC.

Component location. See OVERVIEW OF COMPONENT LOCATIONS .