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Author Topic: med9.1 boost pid problem  (Read 1758 times)
marcosandujar8
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« on: September 28, 2022, 11:36:52 AM »

Hi, I have been experiencing some boost errors, the leaks have been checked and that is fine and everything is fine but still after a certain rpm the boost starts to drop, I would like to keep 2 or 3 psi more than what I currently get



I have good iat, good afr and although sometimes I experience ignition delays they are not alarming numbers and when I have the boost where I want it I will improve it, I share the complete log and some captures of my boost pid maps

full log https://log.tunezilla.com/chart/615251#H8KLCADCoWc0YwIDTcKNSw7DgjAQQ8OvMmtHasKgfMOuEmUxw5BRwogUwpIqwpnCosOCw6nCocKtQGzCvHjDtsKTwp3Co2vCuV9iFhNqwpnDhkbDqDwWwphKwo0vIRDCp8O0w4kgWSrCq8OQw5bDpsKHVDVaw4xseMKOwovCtXk8DMOmw7lDVGPCuMOpwqo0w5HCv8OCdTjDg2LChz16HHDDhMOJwoPDrDrDpElLG1PDlMOvwrXDrcK9fwMpwofCvsOwwqcAAAA=

I hope someone can shed a little light on me to solve this problem, I refuse to believe that my turbo can no longer give more, it is hpa hybrid k04
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marcosandujar8
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« Reply #1 on: September 28, 2022, 11:38:33 AM »

my bin file
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nyet
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« Reply #2 on: September 28, 2022, 02:19:46 PM »

You're riding the pressure sensor. Don't do that.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

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 experience.
fknbrkn
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mk4 1.8T AUM


« Reply #3 on: September 28, 2022, 02:25:24 PM »

Also your wgdc are maxed out. Not a pid issue
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nyet
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« Reply #4 on: September 28, 2022, 02:27:09 PM »

Also your wgdc are maxed out. Not a pid issue

probably the single two most basic things he managed to ignore heh
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

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 experience.
marcosandujar8
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« Reply #5 on: September 28, 2022, 05:07:27 PM »

You're riding the pressure sensor. Don't do that.

Yes, I have already made the adjustments, since it is not in my plans to put a larger sensor, at least for now
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marcosandujar8
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« Reply #6 on: September 28, 2022, 05:09:29 PM »

Also your wgdc are maxed out. Not a pid issue

I refuse to believe that I can't maintain 20 psi at 6,000 rpm with this turbo, even if it keeps going down to redline  Angry Angry Angry
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IamwhoIam
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« Reply #7 on: September 29, 2022, 12:17:28 AM »

your N75 is 94% but you REFUSE to believe that you can't hold boost? What planet do you come from?
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I have no logs because I have a boost gauge (makes things easier)
fknbrkn
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mk4 1.8T AUM


« Reply #8 on: September 29, 2022, 01:01:08 AM »

It  gives only 230 gs

Pretty well result for a hybrid with k03 hotside its ok in that case
If its k04 hotside id say its chocking somewhere (intake or exhaust) or too soft wg adjustment
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marcosandujar8
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« Reply #9 on: September 29, 2022, 07:27:55 AM »

your N75 is 94% but you REFUSE to believe that you can't hold boost? What planet do you come from?

calm old man, I show my disappointment of the turbo not of anything else, sorry if my expression made you feel uncomfortable, well maybe that's why you have a karma of -64
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marcosandujar8
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« Reply #10 on: September 29, 2022, 07:29:41 AM »

It  gives only 230 gs

Pretty well result for a hybrid with k03 hotside its ok in that case
If its k04 hotside id say its chocking somewhere (intake or exhaust) or too soft wg adjustment

I'll try to adjust the wg and if I don't have the desired result I'll settle for now, in the future I'll go for a bigger turbo. anyway thanks for your clarifications
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