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Author Topic: Help with boost higher than expected  (Read 40833 times)
Tshirt2k
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« Reply #60 on: June 22, 2016, 12:27:49 PM »

Logged again, Still cutting throttle. MLMAX seemed to make no difference
Added Misopl1 to the log as I've read that its the input to IRL. and it is changing at the point of the cut



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nyet
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« Reply #61 on: June 22, 2016, 12:36:38 PM »

mldmx_w is next.

If that is fine, then one by one, have to log mibgrl and look at every item in MDBGRG

If not mibgrl, then only miasrl and miges are left, but neither of those should be possible above NASNOTKL rpm (usually something low, like 960RPM)

See the FR for details.
« Last Edit: June 22, 2016, 12:41:56 PM by nyet » Logged

ME7.1 tuning guide (READ FIRST)
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nyet
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« Reply #62 on: June 22, 2016, 12:57:06 PM »

Progress. It might be mitibgr_w, which cuts req load if you hit injector max duty for too long.

You're out of fuelling.

Cut boost up top, or get bigger injectors Smiley

I should have checked IDC first! my fault.
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Tshirt2k
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« Reply #63 on: June 22, 2016, 01:07:16 PM »

Hmm.

I did notice my Injector duty was high. I assumed the calculation was wrong due to RL issues.

I'll give it a try. Thanks
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Tshirt2k
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« Reply #64 on: June 22, 2016, 01:33:25 PM »

I think i may have to get a 4bar Reg as I think im around stage 2 anyway
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nyet
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« Reply #65 on: June 22, 2016, 01:37:21 PM »

Hmm.

I did notice my Injector duty was high. I assumed the calculation was wrong due to RL issues.

I'll give it a try. Thanks


If you are over 70% or 80% IDC, you need more fuel. IMO a 4 bar is not enough.. you'll ideally need bigger injectors or bite the bullet and cut boost.

Or both 4 bar and less boost.

4 bar is a good start though.
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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.
Tshirt2k
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« Reply #66 on: June 25, 2016, 05:15:38 AM »


If you are over 70% or 80% IDC, you need more fuel. IMO a 4 bar is not enough.. you'll ideally need bigger injectors or bite the bullet and cut boost.

Or both 4 bar and less boost.

4 bar is a good start though.

I bought a 4bar but decided to go for injectors instead.

Going for 60lb Bosch '298 EV14's. Will have fun trying to get them working.
« Last Edit: June 25, 2016, 05:47:05 AM by Tshirt2k » Logged
Tshirt2k
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« Reply #67 on: July 03, 2016, 03:56:48 PM »

So it Looks like the Injectors have cured the Intervention.  Grin

Before i swapped injectors I tweeked KFK to get trims into line. I needed to put the most number to 1' in KFK to get them correct.

Car fired up fine, Idle is smooth but STFT is -10% driving around at partial throttle trims are adding fuel betwwen ~2-6%, but WOT seems to need lots more fuel.  Huh

Whats the best table to adjust? My FKKVS is not all 1's like in the 2.7t. I'm thinking krkte to increase overall fuel. Just idle will be richer.!

KRKTE is 0.05472

TVUB found on here.

2.7577   1.9282   1.3388   0.9975   0.7894

Assistance would be appreciated


« Last Edit: July 03, 2016, 04:56:10 PM by Tshirt2k » Logged
Tshirt2k
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« Reply #68 on: July 03, 2016, 03:58:16 PM »

Fuel
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Tshirt2k
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« Reply #69 on: July 04, 2016, 02:21:14 PM »

Seems my krkte and tvub are good.

Idle LTFT is -0.8% and partial is 0%

I'll correct the rest with KFKHFM and FKKVS
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contrast
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« Reply #70 on: July 05, 2016, 01:17:45 AM »

Where did you find that TVUB?
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Tshirt2k
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« Reply #71 on: July 05, 2016, 03:49:18 AM »

Where did you find that TVUB?

http://nefariousmotorsports.com/forum/index.php?topic=6670.msg67239#msg67239
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