We carried out a fully stock Audi SQ5 3.0L Turbo Diesel , performing a full carbon clean  (chemical + walnut blasting) and a Stage 1 Custom Dyno Tune ! 💥 To maximize performance, we also completed a transmission (TCU) tune , which we highly recommend for optimal shift response and power delivery on these vehicles. Work carried out on this SQ5 included: Removal of excessive carbon build-up in the intake Cleaning of carbon deposits on the valves Stage 1 Custom Dyno Tune  for