audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

ABOUT US
Testing fuel tank purging system > < Testing lambda probe signal wiring and activation

A3 Mk1

Motronic Injection and Ignition System (4-cyl.)
Testing lambda control
Removing and installing lambda probe

Removing

  • ‒ Unplug the lambda probe connector.
  • ‒ Unscrew the lambda probe using V.A.G 3337/9.

When installing, note the following points:

Notes:

  • ◆ Tightening torque: 50 Nm.
  • ◆ The screw thread on the lambda probe is coated with a special paste. This paste must not be allowed to penetrate the openings on the probe.

Testing fuel tank purging system > < Testing lambda probe signal wiring and activation