Specifically for VW/Audi T10133. (Highly recommended to avoid snapping the injector).

Once the injector is removed, inspect it for any signs of clogging or damage. Use a fuel injector cleaning kit to clean the injector, or replace it with a new one if necessary.

You cannot reuse the old seals. The blue O-rings and the white Teflon seals at the tip are "one-time use."

Only work on a cold engine to prevent fire risks from fuel spray .

Carefully loosen the fuel line at the high-pressure fuel pump (HPFP) or fuel rail to bleed off pressure. Wear safety glasses as some fuel will spurt out .

Q: How often should I replace the fuel injectors on my VW 1.2 TSI engine? A: The fuel injectors on a VW 1.2 TSI engine typically need to be replaced every 50,000 to 100,000 miles, depending on driving conditions and maintenance.