15 Nov 2026
The voice of the independent garage sector

Problem Audi

Expert

Vehicle:

Inlet shut-off:

More needless parts:

Dyno run:

The Audi was run on a dyno after being repaired and produced more power and torque than expected. Data logging showed that it had been re-mapped at some point.

Root of the problem:

Sure enough, the problem turned out to be nothing more than a hole where the pipe had chafed on a metal bracket.