Flexfuel 1.8t??

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Topic: Flexfuel 1.8t?? (Read 4580 times)

_nameless

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	Re: Flexfuel 1.8t?? « Reply #15 on: November 08, 2022, 08:08:21 AM »

Quote from: JeanAwt on November 06, 2022, 02:56:52 AM

frp 4 bar
0280156065

Whomever said that they can make a "FLEX FUEL" file without an alcohol sensor is full of shit. Furthermore, those 0280156065 injectors are hardly big enough for the stock turbo on pump fuel lol. Full e85 takes about 40% more fuel volume to make lambda of 1. I have custom code for alcohol sensor without any additional hardware and its not cheap but I will make it available for purchase. I can patch just about any vag me7 ecus and have a few done for me7.5 /me7.1.1.


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overspeed

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	Re: Flexfuel 1.8t?? « Reply #16 on: November 08, 2022, 08:32:49 AM »

Quote from: _nameless on November 08, 2022, 08:08:21 AM

Just to make a point, some brazilian flex cars are E25 to E100 and don´t have sensor, they are only based on lambda probe readings... but for sure it´s another thing discussed here.


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_nameless

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	Re: Flexfuel 1.8t?? « Reply #17 on: November 08, 2022, 09:05:40 AM »

Quote from: overspeed on November 08, 2022, 08:32:49 AM

Just to make a point, some brazilian flex cars are E25 to E100 and don´t have sensor, they are only based on lambda probe readings... but for sure it´s another thing discussed here.

You must have missed the discussion on the previous page...


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TeknoFi

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	Re: Flexfuel 1.8t?? « Reply #18 on: November 08, 2022, 12:12:36 PM »

Saab 9-5 biopower (oem solution) don't have ethanol sensor either, they just rely on lambda-sensor and adaptation triggered by refueling, to change behaviour between any percentage between regular fuel and re85. Cold start stuff etc are added along the percentage what ecu thinks that ethanol content has increased.

Next someone says that it is not flex-fuel because there is no ethanol sensor. Well, probably not then, but what does it matter if it works.


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prj

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	Re: Flexfuel 1.8t?? « Reply #19 on: November 08, 2022, 04:53:48 PM »

There is virtual ethanol sensing capability in MED17 and S18 as well.
The point is not that it's not flexfuel.

It takes a lot of work to create a virtual Ethanol system and even in OEM case it does not work always 100% well.
We are talking aftermarket here on an existing ECU. Your only choice is an Ethanol sensor, there is no other way you are going to get a good result.


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JeanAwt

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	Re: Flexfuel 1.8t?? « Reply #20 on: November 11, 2022, 01:23:08 AM »

Thanks for your help, that's clearer.
flexfuel 1.8t too difficult to set up for a noob. Chinese box and other eflex box I forgot because 500euros just to increase the injection time...
I still have the "100%" option e85 and try to settle with 0280158117. already it will not be easy for a noob.

write a full flash of saab bio 1.8t it is not possible?


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A4 B5 avant 1.8T 2000 NO QUATTRO

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