View Full Version : Tuareg 4.2 td 2013 rail pressure issue
Unichip77
12th January, 2017, 02:58 PM
Hello,
I upload two files from Tuareg 4.2 d an org and a mod.
The car has rail pressure problem with the MOD file.
When acceletate full throttle the rail pressure goes to 2000 Bar but after 3-4 seconds it drops back to 1200 and the power cuts.
I dont know if it is file related or car related.
Would someone take a look and let me know if the MOD file causes it stretching the fuel pressure to far?
Thanks a LOT.
Regards
UNI
parik
13th January, 2017, 09:45 AM
absolute amateur work of tuning, problem is only mod file :)))
ecutuners
13th January, 2017, 10:57 AM
Dont make car suffer with the file
Act Tuning
13th January, 2017, 11:16 AM
very simpale, i didnt check your file, but if you flash stock and you dont have any fault or same, the mod is bad.
Unichip77
13th January, 2017, 12:04 PM
So I am reading the reflectons and can not find the description of the problem.
Maybe someone could post a rail pressure map to better understand.
You know, criticism alone does not cures problem.
Regards
UNI
bobolin4o
13th January, 2017, 12:08 PM
This is your car or it is customer?
Do you made this remap or someone else?
P.S. 3BD660 - first of a few Rail pr. maps...
VRPerformance
13th January, 2017, 02:18 PM
get back to stock rail maps
Unichip77
14th January, 2017, 09:54 AM
Hi,
the car is customer car. The file is from a tuning master working with them since 2005.
The tuner said the 89mg/stroke is not stretching the fuel system but the 120 is to much to cope with. So the problem is in the car.
considering the almost 4 hour work I would collect as much info as possible before act.
So I would velcome information like: the original fuel pressure and the modified. Anything I can measure on the car.
Why it cuts after full power standing start only when the speed is 120-130 km/h? If you release the accelerator for a short time when the speed is 100-110 there is no cut till150-160.
Regards
UNI
Regards
LAszlo
parik
14th January, 2017, 02:05 PM
ask your tuner why does he modify rail map before idle rpm and from 0mg.
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