Power Output & Blow-by test of an Audi A6 1.9TDI in Denmark
The owner: “It is as if the engine had gone through another chip tuning.” The power output increased by 18.6 HP (15.3%) and the Torque by 20.6 Nm (7,3 %). The average blow-by decreased by 2-4% and the fuel consumption by 2-3 %.
The car was/is a previous Taxi that had clocked 400,000 km (250,000 miles) and had been chip tuned 1,5 years ago. The engine had shown a slow but unavoidable power loss before the RVS treatment.
Audi A6 test