AUDI A3 HOT START FIX 038906018BA-0281001756

[bladymir]

Hello everyone.
I ask for help please.
I'm struggling with the car all day.
Audi a3-1.9TDI.
AHF
1998
81kW.
Car has problem with the hot start. I read two eprom M27C1001, I put two new AM29F010B with different files modified with hot start fix, the car starts but it works with two cylinders and vibrates that is scary.If I write the original file in AM29F010B car works OK, but it's hard to start hot.
I ask for help to modify my file and calculate cheksum.
Thank.

[mack0r]

Your file. Hot start fix. Chk ok. Pass in pm

[bladymir]

Your file. Hot start fix. Chk ok. Pass in pm

Thanks mack0r, now with unplugged temperature sensor starts well, but if I put 45-90 degrees it still does the same.

[mack0r]

Weird...
in that case I can not help

[bladymir]

Thank you . The truth is that this is the first car I see that behaves like this, I do not know what to think, broken can not be because with its original file it works, with the modified file I'm afraid that the engine will break.

[voltechcar]

Thank you . The truth is that this is the first car I see that behaves like this, I do not know what to think, broken can not be because with its original file it works, with the modified file I'm afraid that the engine will break.


write this, must works.

[bladymir]

write this, must works.


Thanks voltechcar, but it does the same as with any modified file.

[voltechcar]

what gearbox you have and what coding in ecu?

[bladymir]

Coding 00002
Gearbox manual.
No fault codes

[tiugrikas]

Coding 00002
Gearbox manual.
No fault codesTry 00001 coding usally helps . After coding may show fault code that no communication with automatic gearbox but it does not make mil on .anyway after this coding starts perfect

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[voltechcar]

so if in automatic coding works on my file must works too. You write good file?

[bladymir]

I have tried at least 10 different files and it does the same but at different temperatures. In the last week I had an audi like AHF and it had coding 00002 manual. I am already fed up with this car.

[bladymir]

coding 00001 not help.The same problem.
File original work,file modif.-not work.

[Brat]

You have other problem,not software.

[bladymir]

You have other problem,not software.


it's possible
but why does it work with the original file?

[bladymir]

Hi.
I want to thank everyone who helped me in the forum.
The end was not happy.
Car does not want to work with any modified file, only with the original.
Temperature sensor replaced.
Timing checked.
I have only noticed that with different timing files it was different with the same temperature.
The car returned to the owner.
Thank you all again.