It is not practical for a normal individual do-it-yourself mechanic to tinker with the ECU at the bits-and-bytes level. Also, most people don't get it programmed for "various performance levels". Your right foot selects how much power to use, no matter what it's programmed for. The stock ECU is already programmed very close to the best possible 2002 Golf MK4. Sep 15, 2020. #3. ecala001 said: Hi, I have an 03 golf tdi ALH 01m with over 236k miles on it. Im trying to decide between a stage 1.5 and 2 tune from malone. I was looking for better mpg and torque (especially going uphill). The rep at malone tuning said with either tune I would need at least .205 injectors. 1.9 TDI engine drawing. The 1.9 TDI is the emblematic turbodiesel from volkswagen, which developed the notion of various outputs of the same engine. In the Passat, the 90 hp was introduced in 1993, the 110 hp in 1996 and the first TDI with pump*jet direct injection in 1998 with 115 hp. The EA086 is built in Puebla, Mexico for North America. Stage 1 tuning map for VW Golf TDI 1.9 130HP ASZ. by odykin » Wed Aug 19, 2020 8:56 pm. Hello, Does anyone have a decent tuning map for the asz engine? I have found about 6 maps but they don't seem to make any difference, they also look identical on the VAGEDCsuite. ECU is EDC15P+. Thanks in advance. odykin. TDI Power Enhancements. Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer. 1. . 231 410 447 147 108 230 380 491

how to tune a vw 1.9 tdi engine