MFA consumption change with VCDS?

Hello.
Since I soldered my chip from RDI onto my control unit six months ago,

My fuel gauge always shows approximately 1 liter less than the actual amount.
She typically uses about 5.5 liters. Then, to fill it completely, you need to calculate and add more, so approximately 6.5 liters.

Can I make any adjustments using VCDS?

Or could it possibly be due to an incorrect map from the chip? But then I'm powerless.

Oh, almost forgot, it's an Audi A4 B5 with an AFN engine!

Sounds like a "stupid" chip.

He would probably just have to do something simple, like tamper with a device to falsify measurements.

This disrupts the feedback loop for fuel injection, resulting in increased power and inaccurate MFA (presumably Multifunction Display) readings.

Here's the same question...

/viewtopic.php?t=4959&highlight=box+mfa

m;

Well, I actually hope that's not the case, and that the chip is actually good.

The link doesn't really help me either.

And on a chip, there are completely new identification fields.

how does one cheat in that?

I found something in the ELSA program about how to adjust the MFA (presumably a setting related to energy consumption) so that it aligns with the desired usage. According to what I read in ELSA, it can be increased in steps of 3%. I'll post the instructions once I have a printed copy!


Can it really be true that at rdi-motorsport.de, they don't accurately adjust the chip's calibration, but only manipulate values like temperature, boost pressure, and injection timing? If I could find out about this, there would be a huge uproar. Because then...
I would feel like I'm being completely ripped off. They can tell you anything, they can swear anything!

Steffarn wrote:

Habe was im Elsa programm gefunden wie man die MFA anpassen kann damit der verbrauch wieder passt das kann mann in 3% schritten erhöhen wie ich das im elsa gelesen habe.Werde die anleitung mal posten wenn ich den ausdruck habe !

The search function is your friend. The instructions in our error database are for the G4.

/viewtopic.php?t=1037 and others...

Hello!

Gleich zu diesem Thema eine Frage. Wie kann ich das heraus finden, ob nun mein Chip nur Werte verfälscht oder wirklich andere Kennfelder verwendet??? Es wird ja wohl schwer sein, anhand der Sollwerte zu vergleichen, da die neuen Kennfelder, so fern vorhanden, ja von anderen Sollwerten ausgehen. Hmm, yes, but how?

Greetings, Peter.

Thanks for the link; I had been looking for it but couldn't find it.

Das thema mit den chip macht mir wirklich angst. Ich glaube mein nächster chip wir auch von einen seriösen tuner sein.
Wobei ich eben dachte damit die billig chips eben nur kopiert (gebrannt) sind und daher sich von den richtigen sich eigentlich net unterscheiden dürfen !

of course, it depends on the price!!

Mc_Givertechnik wrote:

How can I determine whether my chip is simply distorting values or actually using different characteristic curves??? It will probably be difficult to compare based on the target values, since the new characteristic curves, if they exist, would presumably be based on different target values. Hmm, yes, how can I figure this out?

Hi Peter,

Based on the sensor manipulation techniques similar to those used in devices like Powerbox, the following should be checked:

If the car performs significantly better,
-> without consuming more, according to BC .
-> or, without injecting more fuel according to VAGCOM.
It could be a tuning box or a tuning module installed, or it could be a chip that only (or primarily) manipulates sensor data (e.g., air mass flow, diesel temperature, etc.) to achieve a higher fuel injection volume.

If the amount of fuel being injected or the instantaneous fuel consumption increases logically with the increased power output, then it's likely that a more "honest" chip is installed.

Brösel wrote:

Hello, I would like to raise my question again: What happened to CHANNEL 03 in the combination (regarding MFA display/consumption adjustment)? Cannot be adjusted/modified!!! Who can help or check this out themselves?

"That's completely correct. This function was no longer included in the combination instrument panels from mid-2001 onwards. It's the same for me."