Diesel Direct Injection System

WARNING: This page is about a different car, the 2010 Volkswagen Jetta and 2009 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

Follow the safety precautions when working on the diesel direct injection system. Refer to SAFETY PRECAUTIONS .
Observe the rules for cleanliness. Refer to CLEAN WORKING CONDITIONS .

Always follow these instructions before and during work.

NOTE:

The Engine Control Module (ECM) is equipped with a Diagnostic Trouble Code (DTC) memory. Read the DTC memory before and after repairs or adjustments. Refer to "Guided Function" in the vehicle diagnostic tester.