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Author Topic: Where to start  (Read 25733 times)
kingkhalilz
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« Reply #15 on: January 21, 2015, 12:09:19 AM »

Ah i see where i was thinking wrong. Thanks for being so patient with me guys. A waste of a thought. However i have learned now to LISTEN to you guys before i blabber on. I will try to do this more.

Thanks dd for the link. When i get closer to getting rid of this throttle cut and get closer to maxing the maf out i will invest in a smaller housing. As for the throttle cut...

My requested load is way lower than my actual. I have increased LDRXN so thats not an issue and i have been increasing KFMIRL to try and get my requested load up. Is this what i should be doing. It doesnt seem to help. What map is requested load? I have looked at the wiki over and over

Thanks guys. I know i am slow but i wont give up, i just need some patience.
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Lost
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« Reply #16 on: January 21, 2015, 05:14:53 AM »

It really does not matter if your actual load is not up  to requested as long it is lower ans you get your boost eventually where you want
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ddillenger
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« Reply #17 on: January 21, 2015, 06:04:06 AM »

Ah i see where i was thinking wrong. Thanks for being so patient with me guys. A waste of a thought. However i have learned now to LISTEN to you guys before i blabber on. I will try to do this more.

Thanks dd for the link. When i get closer to getting rid of this throttle cut and get closer to maxing the maf out i will invest in a smaller housing. As for the throttle cut...

My requested load is way lower than my actual. I have increased LDRXN so thats not an issue and i have been increasing KFMIRL to try and get my requested load up. Is this what i should be doing. It doesnt seem to help. What map is requested load? I have looked at the wiki over and over

Thanks guys. I know i am slow but i wont give up, i just need some patience.

If your MAF is scaled incorrectly your load will read artificially high (or low), and you will even trigger early overboost diagnosis, and totally wack your timing tables.
« Last Edit: January 21, 2015, 11:27:23 AM by ddillenger » Logged

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kingkhalilz
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« Reply #18 on: January 21, 2015, 11:09:49 AM »

I havent scaled the maf yet. I havent touched any maps but KFMIOP and LDRXN. DD are you suggesting i start with scaling the maf? My loads are quite a bit larger than requested. This will be good to remember if the MAF is scaled bad, loads will read artificially high.

Mocke, if this is true then why am i getting throttle cut. I thought that throttle cut would occur when actual boost goes above requested by 200 mbar.

If requested boost is not controlled by requested load how would i go about raising my requested boost. When i take another look at my logs i see the requested boost tapper way way way down. So the computer is trying its hardest to drop the boost. I thought if i upped requested load it would raise requested boost.

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nyet
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« Reply #19 on: January 21, 2015, 11:29:12 AM »

My loads are quite a bit larger than requested. This will be good to remember if the MAF is scaled bad, loads will read artificially high.

Only if your boost is following requested. If you have too much boost, obviously load would be too high as well.

Quote
If requested boost is not controlled by requested load how would i go about raising my requested boost.

Why would requested boost not be controlled by requested load

Quote
When i take another look at my logs i see the requested boost tapper way way way down. So the computer is trying its hardest to drop the boost. I thought if i upped requested load it would raise requested boost.

It is fairly obvious you don't know what load is :/ This far into the game you should already know.
« Last Edit: January 21, 2015, 11:30:47 AM by nyet » Logged

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kingkhalilz
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« Reply #20 on: January 21, 2015, 01:43:47 PM »

Ah I see. Load is the change....so to speak. If i flat line load towards the end of the rpm then requested boost will taper down.... nyet i think im getting closer.

I will reflash tonight and log again. I will report back.
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nyet
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« Reply #21 on: January 21, 2015, 02:38:41 PM »

Load is the change

no Sad unless that is a typo
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kingkhalilz
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« Reply #22 on: January 21, 2015, 02:54:19 PM »

How would you describe load??
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thelastleroy
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« Reply #23 on: January 21, 2015, 03:58:35 PM »

http://s4wiki.com/wiki/Load
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kingkhalilz
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« Reply #24 on: January 21, 2015, 07:44:55 PM »

Mass ingested/ mass standard. I see. Its a percent of The displacments mass of air. The more mass flowing through The motor The more load.
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nyet
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« Reply #25 on: January 21, 2015, 08:26:28 PM »

If the motor's VE were 1.0, and the IAT was standard temp, 1bar == 100% load
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kingkhalilz
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« Reply #26 on: January 21, 2015, 09:47:09 PM »

If the motor's VE were 1.0, and the IAT was standard temp, 1bar == 100% load
VE stand for??

Last time i thought i hit limp mode, well im pretty sure i blew up my maf sensor. Looks like the throttle plate went open for a split second and boom.

Maybe for safety i should start with a bigger maf housing and scale that. This throttle cut is killing me.
« Last Edit: January 21, 2015, 09:50:31 PM by kingkhalilz » Logged
nyet
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« Reply #27 on: January 21, 2015, 09:58:10 PM »

VE stand for??

Please stop tuning until you read at least one EFI book.

You are nowhere near being able to do any of this. The problems you are seeing have absolutely nothing to do with MAF (which is also a problem)
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kingkhalilz
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« Reply #28 on: January 21, 2015, 10:14:57 PM »

Why then when i flash the stock tune it runs like shit until i unplug the maf? 

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nyet
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« Reply #29 on: January 21, 2015, 10:41:00 PM »

Why then when i flash the stock tune it runs like shit until i unplug the maf? 

I said the MAF was also a problem.

At this point you are going to see a zillion different problems. Don't assume they are all because of the same thing Tongue
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