NefMoto > Technical > Diagnostics > MAF readings Leon 1.8T AMK
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Author Topic: MAF readings Leon 1.8T AMK  (Read 5312 times)
Dejw0089
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« on: January 16, 2019, 11:33:48 AM »
Hi
I has very weird maf readings.I has max 170g/s -> 612kg/h maf readings.
I has tuned car but reading is to low and in log I see maf voltage reading 170 g/s -> 4.35 V but when I look into MLHFM map I see 612 kg/h -> 3,87V so my question is what is wrong?

my log
https://log.malonetuning.com/chart/244833#H8KLCADDoXY%2FXAIDdcOMQQrDgyAQBcOQwrvCuB7CiybCpsOQwrPCiAtbByPCpDHDqAhpT8OfaMKgdFHCl8O%2Fwr%2FDucKjNXvDhMOnPcKsw4h9woplw4sMwoTCgVouMcKFNx4RwpjDhxXCkyVkVcKsc8O8w4XDrR5ywrMUw7xMDTLDkg9oARIGGEHDgQQ3A0zCnsOrQjFvS8KgeiNVw5t9w6NwwrlOwrXCmcKDQ8OuLMOZw6NlwoURKBXDvCdDV2RXRFfDlCnDpgPCjxPCvsKpFQEAAA%3D%3D
please look on second part of log
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nyet
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« Reply #1 on: January 16, 2019, 11:44:54 AM »
Please supply original csv
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Dejw0089
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« Reply #2 on: January 16, 2019, 11:54:05 AM »
Quote from: nyet on January 16, 2019, 11:44:54 AM
Please supply original csv
is bigger because I run on more than one gear
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nyet
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« Reply #3 on: January 16, 2019, 11:57:10 AM »
I don't see anything amiss

What is your MLOFS?
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Dejw0089
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« Reply #4 on: January 16, 2019, 12:00:12 PM »
Quote from: nyet on January 16, 2019, 11:57:10 AM
I don't see anything amiss

What is your MLOFS?
My mlofs is ori 200
so I can have those readings on car with power more than 210 HP?
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aef
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« Reply #5 on: January 16, 2019, 03:03:02 PM »
http://nefariousmotorsports.com/forum/index.php?topic=14221.msg115031#msg115031
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Dejw0089
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« Reply #6 on: January 17, 2019, 11:11:25 AM »
Quote from: aef on January 16, 2019, 03:03:02 PM
http://nefariousmotorsports.com/forum/index.php?topic=14221.msg115031#msg115031
I read this but didn't solve my problem. I don't want more flow only i think my flow is to low for my power. On non modified car i has 210 hp and low maf reading is correct?
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aef
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« Reply #7 on: January 17, 2019, 11:24:17 AM »
read it again
there is a amk log attached
download and compare
solved
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nyet
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« Reply #8 on: January 17, 2019, 11:33:47 AM »
If you care about power numbers you should be using a dyno or at least a HP estimator based on rpm vs time.

MAF numbers mean nothing.
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nyet
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« Reply #9 on: January 17, 2019, 11:41:07 AM »
You're short a bit of HP.
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nyet
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« Reply #10 on: January 17, 2019, 11:42:44 AM »
For some unknown reason you didn't log timing or IAT or really anything else to help diagnose the issue.
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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 ex
Dejw0089
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« Reply #11 on: January 17, 2019, 02:18:13 PM »
Quote from: nyet on January 17, 2019, 11:42:44 AM
For some unknown reason you didn't log timing or IAT or really anything else to help diagnose the issue.
Sorry for incomplete log I just start loging and I see on other logs maf readings 190-210 g/s so I just think about my readings and why is so low
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