Golf 6 1.6 tdi 105 hp Hesitation Problem

by **carmageddon** » Sat May 25, 2019 11:34 am

hi

i have an unknow problem on this car.

due to breakage HP pump they were changed : injectors new (adapted with vas), hp pump (valeo), diesel filter, rail, rail pressure sensor, rail pressure regulator, all low pressure pipeline, low pressure pump, tank wash...the car have dieselgate software 03L997557M_9983, i have vcp genuine and old software 03L906023B_5863 but i dont know the procedure to restore old file...no comment for vcp support!

i send video of the problem on YT : https://www.youtube.com/watch?v=v0xJLDlRH1o

the engine have hesistation always between 1400 and 200 rpm, if someone can solve this problem can contact me please

Thanks in advance

by **selveti** » Sat May 25, 2019 12:51 pm

did you read the fault codes with vag diagnostic

by **carmageddon** » Sat May 25, 2019 1:11 pm

i check rail pressure, maf, rpm, timing belt ecc...no problem and no dtc.

the car work perfect without this issue only when dpf regenetates

egr is new and working (not excluded/not closed) and dpf work regularly

the ecu is original