siemens ms41 problem partial file

manbg · **Joined:** Fri Dec 09, 2022 12:45 pm **Posts:** 9

Excuse my ignorance, I am doing the siemens ms41 of my car, and with a 256k file with ews off, I rescue the partial, I modify it and when I load it it does not start, I enter bit 7 and change the binaries to eliminate the ews, and It still doesn't start, can anyone enlighten me? thankyou!!!

busterhax · **Joined:** Wed Jan 22, 2014 6:54 pm **Posts:** 1773

Did you read it back to make sure your changes applied to ecu?

manbg · **Joined:** Fri Dec 09, 2022 12:45 pm **Posts:** 9

Yes, I read it, and I check that bit 7 of the ews applied the corrected number and it is fine, but the pump and the spark still do not turn on, I load the complete map and it starts.

Lambda1 · **Joined:** Sat Jan 14, 2017 5:46 pm **Posts:** 534

I also got this some times... write again the partial and if done cut ignition and wait 10 sec.
Also got sometimes this problem when no extra power supply was connected to the car.

manbg · **Joined:** Fri Dec 09, 2022 12:45 pm **Posts:** 9

good morning, I have finally been able to record the partial and eliminate the ews, but now something has broken, since once recorded it starts up fine, it stops and now the ecu cuts, you open the contact and cut the injection it stays continuous like this open short open short, as if you opened and closed the contact, any help?

RomRaider

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siemens ms41 problem partial file

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