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Author Topic: Overrun Flames, Gargle, Pop  (Read 396795 times)
ddillenger
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« Reply #45 on: November 09, 2014, 05:33:14 AM »

I'm confused regarding KFZWMN.

What is the X axis? I assume load? Is everyone just lowering the two rows at the lowest loads, to a flat figure?

This seems like a big change, which is why I'm questioning it, perhaps I've misunderstood?

See attachment. Thanks

KF=Map
ZW=Ignition angle
MN=Minimum

Lowering it allows you to call for a later ignition angle.
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mushtafa
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« Reply #46 on: November 09, 2014, 05:44:52 AM »

Thank you for the explanation. So one last question if I can, when people are lowering the lower two rows of data, it's at the lower load, ie the top two rows of the table? I assume this, as obviously overrun is low/no load.
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mbkr89
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« Reply #47 on: November 10, 2014, 06:18:07 AM »

It work perfect on med9.1. There are 4 map for ignition and then it bang by shifting.
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dayofthejackal
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« Reply #48 on: November 10, 2014, 08:24:26 AM »

Tweaked my map and it's gargles, pops and bangs.

Here's a quick video of first test.

https://www.youtube.com/watch?v=F4MiSsTjDfs&feature=youtu.be

My maps attached in jpg
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funnix
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« Reply #49 on: November 10, 2014, 10:44:20 AM »

Can you give me the map locations of the maps your change?
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dayofthejackal
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« Reply #50 on: November 10, 2014, 11:34:13 AM »

Can you give me the map locations of the maps your change?

What file have you got?
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funnix
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« Reply #51 on: November 10, 2014, 12:03:22 PM »

8n0906018ap_0003 like yours!

Edit: Sorry didnt see the pic!
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mushtafa
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« Reply #52 on: November 10, 2014, 01:09:21 PM »

@dayofthejackal Many thanks  Grin
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dayofthejackal
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« Reply #53 on: November 18, 2014, 07:30:52 AM »

It has been working great for the last week, but after a few acceleration runs on a bypass the popping and banging stopped.

I reset the ECU and the popping and banging is back.

Some sort of adaption?
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mushtafa
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« Reply #54 on: November 19, 2014, 09:20:47 AM »

What do you mean by reset? Clear codes? Ignition cycle? Re-flash?
Mines been working spot on so far
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dayofthejackal
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« Reply #55 on: November 20, 2014, 06:21:38 AM »

What do you mean by reset? Clear codes? Ignition cycle? Re-flash?
Mines been working spot on so far

Tried clearing codes etc but didn't work. Disconnected the battery for 30 mins and everything is working again.
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mushtafa
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« Reply #56 on: November 20, 2014, 09:17:44 AM »

I used your settings above, but forgot to change CWSAWE, so I've done that today. I noticed the timing was dropping when clutch depressed with engine at idle. I was doing this fine for about 5 mins, while monitoring injector time and ignition timing. It soon stopped changing though. I put this down to the engine being warmed up. Perhaps it's stopped on mine now, like it has with yours? I'll monitor it tonight and see what happens
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4ringpieces
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« Reply #57 on: November 21, 2014, 07:14:21 AM »

Fuel trims kicking in perhaps?
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mushtafa
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« Reply #58 on: November 21, 2014, 03:01:16 PM »

Are fuel trims active on overrun? On overrun, I thought the fueling would go into open loop and disregard any trims?
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janne
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« Reply #59 on: November 26, 2014, 10:49:42 AM »

Today I tested this and it disables overrun fuel cut , but I still can get ignition timing under -3 degrees?
Do I have to also change KFZWMS?
And how I can keep tb open about 40% on overrun and over 3000 rpm?
And we also need more fuel than 1.7ms so what controls fueling in overrun?
Yes this is ful race car so no problem about melted engine =)

I have now schanged:
KFTVSA
KFTVSAKAT
KFZWMN
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