Fuel problem after mbc installation???

[Stez]

Does anybody know, how to fight with lean fuel-air ratio after installation of manual boost controller, during boosts near 1,5 Bar? what is it need to do to supply engine with necessary value of fuel??? (sorry, if there is mistakes in grammar )

 

[Staytuned]

I am going to assume that you are new to this game. You will need a bigger fuel pump (255 lph), an adjustable fuel pressure regulator to start. Then if that doesn't help you will need a set of bigger injectors and at the very least an AFC (air fuel controller).

You might want to tell us a bit more about your car to really get some more help.

Also read all of this. http://dsmtuners.com/tuning-guide/1gturbo/

 

[Stez]

Thanks, for you advise.
Here, in Ukrane, a few mechanics wrote a programm to reprogramm ECU, they advise just to install bigger injector, at list 550 cc, and by this program help it is possible to set the size of injectors, the time of it's open are also can be regulated with program and other parameters as well, they also can turn off fuel cut. But i would like dont touch my ECU, is it possible to increase fuel supply, with right air/fuel ratio with out ECU programming?

 

[90CherryTSI]

first, depending on your goals, a 190 or a 255 and buy an adjustable Fuel Pressure Regulator. That should be a good start w/o the injectors. At the very least I would rewire your stock fuel pump if you're boosting up there.

 

[Staytuned]

I think what you are talking about is an APEXI AFC. It is "piggy back" system that modifies the air signal from the Mass Air Flow sensor and sends into the ECU.

But we need more info on your setup??? What turbo, what injectors and what fuel pump??

 

[BMWHATR]

Tell us more what you have under the hood. Also what your plans. From what it sounds like the fuel pump would most likely fix the problem. thats if you have stock turbo. We need more information.

By the way how did you get your car in ukraine?
p.s i am from ternopil (use to live there at least)