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News: AEM SERIES 2 EMS PLUG-N-PLAY FOR MKIV SUPRAS!
 
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Author Topic: MAP logging?  (Read 443 times)
merruse
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« on: November 09, 2009, 01:08:35 PM »

I need to be able to log MAP value. Is FIC can log that? I do not need to log engine load. Is there anyway to do that?
rgds
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SV
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« Reply #1 on: November 09, 2009, 01:16:02 PM »

Yes, the MAF IN and MAF OUT channels in AEMLog. It is in Volts.
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merruse
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« Reply #2 on: November 09, 2009, 01:54:39 PM »

 I m already logging MAF voltages. I need to log MAP values in Kpa.
I want to prepare a graph (rpm - MAP - MAF)
something like that,

x= rpm
y= MAF (voltage)
z = MAP (kpa)
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SV
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« Reply #3 on: November 09, 2009, 03:48:45 PM »

You can use the Maths library by creating an equation that relates MAF voltage to MAF pressure. Go to Maths-> Edit Library to create a new library and save it. The name you give to the equation will be what shows up as a new channel in your plots or overlays. If you go to Analysis->XY plot, you can add your newly created math file as the colored axis and the MAF In as the y-axis. Alternatively, you can plot it with the main graphing tool as the name you gave it.
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NS
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« Reply #4 on: November 10, 2009, 08:17:59 AM »

I need to be able to log MAP value. Is FIC can log that? I do not need to log engine load. Is there anyway to do that?
rgds

The FIC references manifold pressure as engine load so if you log MAP you're also logging engine load.
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merruse
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« Reply #5 on: November 12, 2009, 12:57:57 PM »

I need to be able to log MAP value. Is FIC can log that? I do not need to log engine load. Is there anyway to do that?
rgds

The FIC references manifold pressure as engine load so if you log MAP you're also logging engine load.
I think that, Its same thing.. I'm logging %112 engine load with naturaly aspirated engine.. How can it be overboosted.. Smiley
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NS
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« Reply #6 on: November 12, 2009, 03:03:22 PM »

What do you see for manifold pressure with the ignition turned on but the engine off?
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merruse
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« Reply #7 on: November 13, 2009, 12:41:57 AM »

102 KPa.. Im just at the sea level..
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SV
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« Reply #8 on: November 13, 2009, 07:29:13 AM »

Could you please post your log? I just looked at a log that I have and it has a few moments where the load is above atmospheric.
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merruse
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« Reply #9 on: November 14, 2009, 05:55:51 AM »

You may download long term log of my car

http://www.fordist.com/mertol/akcayaem/akcay.stf
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« Reply #10 on: November 18, 2009, 07:17:38 AM »

I took a look at the graph and it looks pretty normal. I noticed there were a couple spikes of high load (higher than atmospheric), and I smoothed the graph a little bit and I would say it is an accurate reading, without knowing anything about your application.
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merruse
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« Reply #11 on: November 19, 2009, 02:30:36 AM »

When I was logged that file, there was any modification on engine.
Whatever, engine load and MAP values are not same. Smiley
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