I can't change the lambda 1.8t bfb 8e0909518al

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michalek510

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	I can't change the lambda 1.8t bfb 8e0909518al « on: February 15, 2022, 01:35:01 PM »

Hello,
I would like to get the eco afr in my car to be around 15-15.1 but I can't seem to get past the 14.7 level, no matter what is in the software. I tried to change FBSTABGM, KFLBTS but car is not responding either. What is still holding me up? 1.8t bfb 8e0909518al


« Last Edit: August 03, 2022, 07:07:09 PM by michalek510 »	Logged

xXxCryxXx

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	Re: I can't change the lambda 1.8t bfb 8e0909518al « Reply #1 on: February 16, 2022, 12:12:53 AM »

Quote from: michalek510 on February 15, 2022, 01:35:01 PM

Die you ever tuned a car before? KFLBTS is a safe zone for your engine … in this area runs the car if your engine is to hot…

Gesendet von iPhone mit Tapatalk


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fknbrkn

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mk4 1.8T AUM

	Re: I can't change the lambda 1.8t bfb 8e0909518al « Reply #2 on: February 16, 2022, 12:25:24 AM »

Asm patch needed for that


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prj

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	Re: I can't change the lambda 1.8t bfb 8e0909518al « Reply #3 on: February 16, 2022, 01:48:49 AM »

Quote from: fukenbroken on February 16, 2022, 12:25:24 AM

Asm patch needed for that

You can also mess with the lambda linearization, but then you need external lambda to see what the real afr is Tongue

Code patch is the correct way tho.

Although this 14.7 to 15 is a waste of time. You're not gonna save any noticeable amount of fuel.
Different story on LPG where you can run 17-18 afr without the engine misfiring.


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BlackT

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	Re: I can't change the lambda 1.8t bfb 8e0909518al « Reply #4 on: February 16, 2022, 03:15:53 AM »

With LPG on 1.8T I get about 0.5L/100km lover compustion driving on 16-17 AFR
Not too much diferenece.

You can change linearization for lambda, but than you will have problem on petrol

Not worth any work


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