Fuel Injector Cleaning

WARNING: This page is about a different variant/trim than selected.

-- Remove fuel injectors. Refer to FUEL INJECTORS .

NOTE:

Follow the safety precautions and the instructions for the ultrasonic device.

-- The ultrasonic device must be filled with the included cleaner.

NOTE:

Fill the ultrasonic device up to the upper edge of the holes with cleaner (see the magnified area of the illustration).

Fig 1: Filling Ultrasonic Device Up To Upper Edge Of Holes With Cleaner

Courtesy of AUDI OF AMERICA, LLC

-- Insert fuel injectors -1- into the bracket -2- as far as the stop.

Fig 2: Fuel Injectors, Bracket, Ultrasonic Device Button, Temperature Adjust Knob & Cleaning Time Set Knob

Courtesy of AUDI OF AMERICA, LLC

-- Dip the fuel injectors with the bracket into the cleaner.

-- Adjust the temperature to 50 degrees using the knob -4-.

-- Set a cleaning time of 30 minutes using the knob -5-.

-- Switch the ultrasonic device on with the button -3-.

NOTE:

The time begins counting down once the cleaning temperature reaches 50 degrees.

-- Replace the combustion chamber seal (teflon seal after cleaning each fuel injector. Refer to TEFLON COMBUSTION CHAMBER SEAL .

-- Then install the fuel injector valves. Refer to FUEL INJECTORS .