1.9 TDI 90hp Stage 1 tuning

The Volkswagen Jetta 1.9 TDI 90hp produces 90 hp and 240 Nm as standard. The YASTUNING Stage 1 remap file takes it to 140 hp and 320 Nm, a gain of +50 hp and +80 Nm. Engine code ALH. ECU: Bosch EDC15. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.