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Author Topic: vw AWP 1.8t ko4xl power cut issue  (Read 25752 times)
vwmaniac
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« on: July 11, 2016, 05:54:04 PM »

ok so im having a problem car is a corrado with a 1.8t swapped in and ko4 xl billet turbo awic 3" turbo back high flow manifold. current tune uses a late model vr6 maf sensor and housing 52lb ev14 injectors. in first and second gear at wot i get a power cut/ boost cut im running 25-30psi on this setup. here is the log please let me know what else i should be logging, i tried to figure out whats happening but i feel im missing some variables that will tell me. i can see timing is all over the place so i assume its riding the knock sensor. also this is a completely stock junk yard motor car is not a daily just a toy dont care if the rods bend break ect...
« Last Edit: July 11, 2016, 06:17:38 PM by vwmaniac » Logged
SB_GLI
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« Reply #1 on: July 12, 2016, 05:21:44 AM »

logs don't include boost actual, timing corrections, etc.  I can't tell where it's cutting in the logs either.  Get logs with more variables.

Assuming you are making 25-30psi @4,500+, the Mass Air Flow looks way low.
« Last Edit: July 12, 2016, 05:32:02 AM by SB_GLI » Logged
telnet402m
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« Reply #2 on: July 12, 2016, 05:45:13 AM »

i understand 25psi on k04 but 30psi ? is not much ? or this is overboost?
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vwmaniac
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« Reply #3 on: July 12, 2016, 10:52:28 AM »

logs don't include boost actual, timing corrections, etc.  I can't tell where it's cutting in the logs either.  Get logs with more variables.

Assuming you are making 25-30psi @4,500+, the Mass Air Flow looks way low.

i will post another log with those variables, in the log you can see the maf @5360rpm the maf drops from 144 to just 44 rapidly. also i thought that i was at or a above the limit of the map sensor so i wasnt sure it would be useful
« Last Edit: July 12, 2016, 10:59:23 AM by vwmaniac » Logged
vwmaniac
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« Reply #4 on: July 12, 2016, 10:57:07 AM »

i understand 25psi on k04 but 30psi ? is not much ? or this is overboost?

30psi is alot but as this isnt a daily i want the capability to run high boost at the track. it will taper to lower twenties so not to redline, i know the wastegate duty cyle goes to 100% in the log at the same time the maf reading drops from 144 to 44 gps. i will add more variables and log some more, thank you guys appricate the imput
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vwaudiguy
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« Reply #5 on: July 12, 2016, 11:11:45 AM »

30psi is alot but as this isnt a daily i want the capability to run high boost at the track.

30psi on a K04 is going to have extremely high intake temps. Especially in a track environment assuming you run in the summer.
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
Marty
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« Reply #6 on: July 12, 2016, 11:55:10 AM »

Sounds like floaty valves and melted Pistons. Stock manifold and small hot side choke so bad. Just really wrong.
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Marty
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« Reply #7 on: July 12, 2016, 11:56:36 AM »

And why are you running a 2001 aww software? There's 032hs is the right immo for your car if it's actually a awp
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nubcake
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« Reply #8 on: July 12, 2016, 12:34:06 PM »

So many assumptions here and people didn't even look at the log apparently.
IATs are below 45 deg C.

Add these to your log config and record another one:
wdkba
wped_w
ps_w
pu_w
pvdks_w
msdk_w
dwkrz_0
dwkrz_1
dwkrz_2
dwkrz_3

EDIT: Your requested boost is at ~18psi. When you go ~200 mbar over that - you will get throttle cut.
« Last Edit: July 12, 2016, 12:38:55 PM by nubcake » Logged
vwaudiguy
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« Reply #9 on: July 12, 2016, 01:53:20 PM »

So many assumptions here and people didn't even look at the log apparently.

I didn't look.  Smiley
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vwmaniac
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« Reply #10 on: July 12, 2016, 02:18:24 PM »

So many assumptions here and people didn't even look at the log apparently.
IATs are below 45 deg C.

Add these to your log config and record another one:
wdkba
wped_w
ps_w
pu_w
pvdks_w
msdk_w
dwkrz_0
dwkrz_1
dwkrz_2
dwkrz_3

EDIT: Your requested boost is at ~18psi. When you go ~200 mbar over that - you will get throttle cut.
thank you sir, im running an air to water intercooler so that keeps intake temps in a decent range. also i do have a high flow manifold and 3" turbo back no cat. i can understand this is extreme but by logging passes and checking plugs you gamble less. im planning on drag racing occasionally ad using the tools i have.
« Last Edit: July 12, 2016, 02:25:00 PM by vwmaniac » Logged
vwmaniac
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« Reply #11 on: July 13, 2016, 04:08:52 PM »

here is another log, i adjusted ldrxn/zk and pulled some timing out of it and still have a cut. it is much clearer in the logs but im drawing a blank. i must be missing something because i can see requested boost drop out completely
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nyet
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« Reply #12 on: July 13, 2016, 04:14:02 PM »

LOL at your actual boost.

WTF are you doing?

You're going to pop a turbo or blow your motor pretty quickly with that shit tune.
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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.
Marty
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« Reply #13 on: July 13, 2016, 04:23:03 PM »

the 001xl is a clone of the f21 1:1. the small frames choke out very quickly egts skyrocket and turbos fail quickly. whats ldrxn and zk look like?
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nyet
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« Reply #14 on: July 13, 2016, 04:30:22 PM »

the 001xl is a clone of the f21 1:1. the small frames choke out very quickly egts skyrocket and turbos fail quickly. whats ldrxn and zk look like?

Irrelevant compared to the mess that is his actual boost.

Unless he uses the 5120 hack this project is a still born waste of time.

http://s4wiki.com/wiki/Throttle_cut
« Last Edit: July 13, 2016, 04:32:21 PM by nyet » Logged

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.
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