Accel enrichment will not activate

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JelmerS38
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Accel enrichment will not activate

Post by JelmerS38 »

I'm working at accelaration enchrichment but I can't get it to activate.

The lowest TPSdot value I put in is 100%, this might be to high, but in the enclosed log you can see that TPS dot has been 186% but it didn't activate AE.

Anyone has an idea why it doesn't?
Attachments
2017-10-30_06.55.15.msl
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2017-10-30.msq
(119.26 KiB) Downloaded 37 times
1983 Datsun Laurel VG30det 3.0 V6 24v single turbo on Microsquirt V3, VAG COP, BMW ICV, eBay intercooler

1984 Nissan Patrol L28et 2.8 L6 single turbo L-jetronic (next MS project)
elutionsdesign
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Re: Accel enrichment will not activate

Post by elutionsdesign »

Because your Accel TPSdot threshold % is 200, you never reached that. I usually set the lowest accel point and the threshold the same value.
Graduate of EFI University.

I build, repair, install and tune Megasquirt systems in North Dakota and beyond!
JelmerS38
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Re: Accel enrichment will not activate

Post by JelmerS38 »

What settings do I use? Do I look what TPSdot is when I lightly tip the gas and what it does when I floor it rapidly?
Than use both values as a minium TPSdot and a maximum?
1983 Datsun Laurel VG30det 3.0 V6 24v single turbo on Microsquirt V3, VAG COP, BMW ICV, eBay intercooler

1984 Nissan Patrol L28et 2.8 L6 single turbo L-jetronic (next MS project)
Matt Cramer
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Re: Accel enrichment will not activate

Post by Matt Cramer »

JelmerS38 wrote:What settings do I use? Do I look what TPSdot is when I lightly tip the gas and what it does when I floor it rapidly?
Than use both values as a minium TPSdot and a maximum?
TPSDot should be set just high enough not to trigger accidentally at steady throttle.
Matt Cramer -1966 Dodge Dart slant six running on MS3X
darkstar42
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Re: Accel enrichment will not activate

Post by darkstar42 »

you can make a log of idle and look at TPSdot and set your threshold% just higher than your tallest bilp and then stab the throttle as fast as you can and that will show your max value so you can set your table a bit higher than that, then pay close attention to what your afr is doing and that will guide you to adjusting the graph, good luck!!
JelmerS38
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Re: Accel enrichment will not activate

Post by JelmerS38 »

That is what I did and it worked! I'm still working on it but it is getting better and better.
Only thing that I can't get better is when I'm off throttle and gently accelerate again after a turn or speed bump. It still hessitates pretty bad. The huge play in the ring and pinion of the rear axle doesn't help with this either.

Ill make a log of this and post it up.
1983 Datsun Laurel VG30det 3.0 V6 24v single turbo on Microsquirt V3, VAG COP, BMW ICV, eBay intercooler

1984 Nissan Patrol L28et 2.8 L6 single turbo L-jetronic (next MS project)
BlackBird_SR71
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Re: Accel enrichment will not activate

Post by BlackBird_SR71 »

Post up your modified MSQ or a screenshot of your AE settings. I've found that using some Map blend helps with low throttle Tip in. It's all about finding the sweet spot. Lower your MapDot Threshold as well if you blend. 40 to 50 is fine. TPSDot threshold can go as low as 20.

I also have TPS WOT Curve enabled. Here are some baseline settings that I start off with.
AE ScreenShot #1 70 percent.jpg
AE ScreenShot #1 70 percent.jpg (158.37 KiB) Viewed 592 times
AE ScreenShot#2 70 percent.jpg
AE ScreenShot#2 70 percent.jpg (131.73 KiB) Viewed 592 times
JelmerS38
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Posts: 38
Joined: Mon Jun 08, 2015 2:39 am
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Re: Accel enrichment will not activate

Post by JelmerS38 »

@Blackbird: Thanks! I will try that too.
1983 Datsun Laurel VG30det 3.0 V6 24v single turbo on Microsquirt V3, VAG COP, BMW ICV, eBay intercooler

1984 Nissan Patrol L28et 2.8 L6 single turbo L-jetronic (next MS project)
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