NefMoto > Technical > Diagnostics > Audi Rs4 boost problems
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Author Topic: Audi Rs4 boost problems  (Read 4611 times)
Jesper Rs4
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« on: August 23, 2014, 04:10:42 AM »
Hi,
I have a problem with my RS4, usually boosts exact 20psi, but has started only boost 16-17 psi and periodically 20-22 psi but only for short time, I have changed the following:

6x ignition coils
6x spark plugs,
DV's,
MAP sensor,
MAF sensor,
N75,
Tuned by a Danish tuner, i have Wagner DP´s and has not failed the last three years.

Before the new Coils i had misfire logged in ecu, i couldnt feel anything, after changing them i have no errors logged.

Any ideas?


ME7 Logs: https://www.dropbox.com/sh/77z19geu4f2xrd1/AACmBizEOhLVXTAFCCQLfg0fa
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nyet
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« Reply #1 on: August 23, 2014, 08:22:57 AM »
You should probably log actual boost at some point.
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
Jesper Rs4
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« Reply #2 on: August 23, 2014, 10:18:51 AM »
Is it not Pvdkds?
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ddillenger
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« Reply #3 on: August 23, 2014, 10:21:32 AM »
I would be concerned with those timing corrections.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!

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Jesper Rs4
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« Reply #4 on: August 23, 2014, 02:43:58 PM »
What Can cause the problem?
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