EGR off VW golf IV 1.4 16V 75hp ME7.5.10 036906032BJ

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EGR off VW golf IV 1.4 16V 75hp ME7.5.10 036906032BJ

Postby Mk4_16V » Tue Apr 05, 2016 9:38 pm

hi,

can someone please shut my cars egr off so i can unplug the egr and get no error codes in the ecu? :angel:

also the ecu was "tuned" from a tuner who only sets the rev limiter from 5700 to 7000 rpm for me.
but i got an "over reving" error code when reving over 5700 which is the original rev limit for this engine.
seems the tuner didn't do a propper job :cry:
it would be great if the rev limiter also can be set back to 6500 rpm with no more "over reving" errors thrown. :thumbup:

i read out my ecu via nefmoto ecu flasher. i have to read with the 29F800 memory table setting but split the file in half because it's a 29F400BB memory inside the ecu.

me7check give me this results for the checked file:

me7check v1.12 (c) mki, 06/2004-05/2012
Checking file bca_original.bin (size=524288)
Reading Version Strings...
-> Bootrom Version = embedded in CPU, asume 05.12/05.32
-> EPK = 42/1/ME7.5.10/3/F513B//21E/21EAZS4/310306/
-> Contents of ECUID data table:
- '0261201406' (SSECUHN)
- '1037381469' (SSECUSN)
- '036906032BJ ' (VAG part number)
- '7980' (VAG sw number)
- 'ME7.5.10 ' (engine id)
-> Contents of ECUID data table:
- 'HW_MAN004'
-> No errors found. File is OK.

i hope there is someone who can help me with this.

very big thanks from germany
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Re: EGR off VW golf IV 1.4 16V 75hp ME7.5.10 036906032BJ

Postby Mk4_16V » Thu Sep 15, 2016 1:46 pm

4 month have been past, no one who can help? :cry:

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Re: EGR off VW golf IV 1.4 16V 75hp ME7.5.10 036906032BJ

Postby dimitar » Sun Sep 18, 2016 9:04 pm

there a lot of damos for your ecu at nefmoto .Spend sime time reading and you will solve the problem by your self. :)

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Re: EGR off VW golf IV 1.4 16V 75hp ME7.5.10 036906032BJ

Postby Mk4_16V » Tue Sep 20, 2016 8:41 pm

thanks for the advice. but i cant register @ nefmoto. i tried it two times and i got no activation e-mail. i check my spam folder too. :(

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Re: EGR off VW golf IV 1.4 16V 75hp ME7.5.10 036906032BJ

Postby Mk4_16V » Wed Oct 12, 2016 9:54 pm

Still need help on my file. Is there anybody how can tell if he can open the file or if there are problems to edit it?

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Re: EGR off VW golf IV 1.4 16V 75hp ME7.5.10 036906032BJ

Postby steich » Thu Oct 13, 2016 10:49 am

If you still need from solution, contact me.

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Re: EGR off VW golf IV 1.4 16V 75hp ME7.5.10 036906032BJ

Postby torosa16 » Tue Oct 18, 2016 10:42 pm

Hello!
I have looked into your file.
NMAX, NMAXDV and NMAXOG are set to 7000, that's correct, but he also has set TMOTNMX to -48 degree, that makes no sense when NMAX and NMAXOG are at the same values...
I would suggest the following:

NMAX (lower rev limit) to 6000, per default @ 5700, in your file @ 7000
NMAXOG (upper rev limit) to 6500,per default @ 5700, in your file @ 7000
TMOTNMX (enginge temperature to activate upper rev limit) to 70 degree, per default @ 143 degree, in your file @ -48
TNMXH (maximum time for upper limit) to 3s, per default and in your file @ 0s
ITNMXH (minimum time below lower limit to activate upper limit) to 6s, per default and in your file @ 655s
DNMAX (rev limit reduction step per 10ms if TNMXH is exceeded) to 4 rpm, per default and in your file @ 1
VNMX (minimum vehicle speed to activate upper rev limit) to 20km/h

In that case your engine would behave as following:
When the engine is cold an/or the vehicle speed is below 20km/h, 6000 rpm is the rev limit.
When both conditions are true (VNMX > 20km/h and TMOTNMX > 70 degree) then you can rev up to 6500. Engine speeds higher than 6000 are only possible for max 3s, after this time the rev limit decreases with 400 rpm/s down to 6000 rpm. You then have to stay below 6000 for at least 6s to rev up to 6500 rpm again.

There is also another fact you have to keep in mind. The rev limit is a pi- controller. The p- and i- amplification factors decreases per definition as a function of the selected gear. That means when you are in higher gears, the rev limitation is smoother than in lower gears. But in your car it could be that for the GANGI variable a substitution function is used cause the ECU doesn't get the information about the selected gear. However, that means that more time is needed to reduce the torque for rev limitation on higher vehicle speeds. For that reason there is an additional function that completely cuts off the injection on all cylinders (hard limitation). The variable to control this is DNMAXH, set at 200 rpm.

What I want to say is, the absolute maximum rpm is NMAXOG + DNMAXH, in you case up to now this is 7200 rpm! Having said that it is also a fact that this is only reached if you push the clutch at high vehicle speeds and push the throttle hard. But just keep in mind also this fact.

I could of course help you with modifying your file.

Kind Regards,
Robert Sack

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Re: EGR off VW golf IV 1.4 16V 75hp ME7.5.10 036906032BJ

Postby torosa16 » Tue Oct 18, 2016 11:39 pm

It is also possible to engage a Launch control when set as follows:
NMAX to 4500
NMAXOG to 6300
TNMXH to 655s
ITNMXH to 0s
VNMX to 10km/h or perhaps a bit less :-)

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Re: EGR off VW golf IV 1.4 16V 75hp ME7.5.10 036906032BJ

Postby torosa16 » Wed Oct 19, 2016 12:39 pm

Ah, i forgot...
Yes, NMAXF (threshold for error "max enguine Speed exceeded) is still at ist factory Setting of 6000, in dead your tuner has forgotten to raise this...
Regards,
Robert

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Re: EGR off VW golf IV 1.4 16V 75hp ME7.5.10 036906032BJ

Postby dimitar » Sat Dec 10, 2016 11:34 pm

So which one is going to delete egr related dtc ) :) :) :D

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