[raztrzy]

If your question is "what to replace" then replace the car... If you want to find the cause, then I asked you to disassemble the connector and look inside. If tug test and insides are ok, then provide us with ALL relevant graphs - not only rail pressure, but control duty cycles, etc. Would also be nice to KNOW what DDE that car has - 5 or 6!

I am sending the logs and the ECU input

[Node]

Your engine is tuned??? Then no point in solving anything as all data will be skewed.

[raztrzy]

yes im stage2/stage3 ( full exhaust empty, egr,dpf,flaps off, turbo, intercooler)

[Stratofortress]

There's something going on with the turbocharger as the desired boost pressure suddenly drops despite continuous injection rate. Has the engine been recently tuned and this behaviour not obsrved earlier?

[raztrzy]

yes, it was recently tuned, I also had a check engine error before, but the user ANGEL from this forum made the file for me and it stopped throwing out, now I want to increase the power, this is what happens when I give less power, it's still OK