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Author Topic: Overboosting, not following Desired Boost  (Read 22239 times)
Maxohio
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« Reply #30 on: April 13, 2019, 08:51:52 AM »

Thats ldtvr_w right?
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Maxohio
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« Reply #31 on: April 13, 2019, 10:42:59 AM »

Changed IMX and logged with requested variable
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nyet
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« Reply #32 on: April 13, 2019, 01:32:18 PM »

MUCH better.

I think you just need to remove more of DIMX, add Q2 back at around 2500-2750, and bring up LDRL a bit from 4000 up and you should be close!
« Last Edit: April 13, 2019, 01:38:35 PM by nyet » Logged

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nyet
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« Reply #33 on: April 13, 2019, 01:50:11 PM »

Alternately, you could probably add some boost request <3500 RPM, you have decent enough fueling and timing isn't horrible.
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Maxohio
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« Reply #34 on: April 13, 2019, 02:00:00 PM »

IMX is a bit lower, Q2 added a bit and DRL up a bit.

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Maxohio
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« Reply #35 on: April 13, 2019, 02:43:00 PM »

Sorry i think you mean i should lower q2
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nyet
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« Reply #36 on: April 13, 2019, 05:05:55 PM »

Hard to say, the initial overshoot is caused by insufficient Q2 (D).
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Please do not ask me for tunes. I'm here to help people make their own.

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Maxohio
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« Reply #37 on: April 15, 2019, 11:04:25 AM »

So have changed some graphs, IMX is now at 51 flat ( isn't this to low?
Peak boost is gone, still shows underboost spikes.
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nyet
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« Reply #38 on: April 15, 2019, 11:47:13 AM »

yea, you were right, pull Q2. Not sure why it is so crazy after boost onset but you dont have any on ramp.
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ME7.1 tuning guide (READ FIRST)
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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.
Maxohio
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« Reply #39 on: April 15, 2019, 11:49:15 AM »

I changed IMX to 55 flat, car was not starting on 51 flat.
Small overboost is not a problem right(peak)?
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Maxohio
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« Reply #40 on: April 15, 2019, 12:52:52 PM »

PS could ot be machenical?
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nyet
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« Reply #41 on: April 16, 2019, 12:57:43 PM »

No I don't think it is mechanical
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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.
Maxohio
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« Reply #42 on: April 19, 2019, 11:29:47 AM »

I dont get it anymore, i've flatten out 56 imx from 2500.
Engine response is slow, when i let the engine idle for 2 min~ it stalls or not responding to gas. Orginal no problems.
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sonique
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« Reply #43 on: April 19, 2019, 11:54:03 AM »

you problem not imx or q2
never need very low KFLDRL or KFLDIMX auq engine

and plz write actual modification the car and exhaust ?
removed original downpipe ?

and faster upload actual file
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Maxohio
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« Reply #44 on: April 19, 2019, 12:01:38 PM »

Hi, no original downpipe, 200cells racekat now
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