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This Audi A3 2.0TDI is the PD140 model with the DSG transmission. We have only tuned the ECU not the TCU on this car. We applied our stage 1 tune with added popcorn limiter. This is set so that the car will not hit the limiter when in automatic mode, only in manual.
This PD150 MK4 Golf was previously tuned elsewhere. We took a read of the ECU and found that the file was “protected” by a “no-read tag”, we soon got into the data and could see why the previous tuner wanted to hide their work...
Having returned the ECU to the stock tune and taken data logs, we then built our tune to perfect the car’s power, suiting the modifications. Which included:
Valeo SMF conversion
Darkside hard pipes
EGR and cooler delete
Full stainless exhaust system
Once we’d finished the owner was very happy with the increase in power and the drive-ability of the car (and the added popcorn and deep idle). Previously he had gone through several clutches but now with the improved tune this won’t be a problem!
This car is quite high mileage (216k) but it has been maintained well and still responded very well to tuning! The current owner has put a full "straight-through" exhaust on the car which has amplified the N75 Duty Cycle modification we use to achieve the "deep idle". If you watch the video below you can hear the deep tone and the increased spool-up sound this creates. The golf performed very well, with no issues picked up in data logging.