Fuel System Leak Test
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2022 Audi S5, 2022 Audi RS 5 Sportback, 2022 Audi RS 5, 2021 Audi S5, and 2021 Audi RS 5 Sportback. However, it is still accessible from the selected car via links, so may be relevant.
-- Let the engine run a few minutes at a moderate RPM.
-- Switch off the ignition.
-- Check the entire fuel system for leaks.
-- Replace the affected component if there are leaks in spite of correct tightening specifications.
-- Perform a road test and fully depress the accelerator pedal at least one time.
-- Check the high pressure system again for leaks.