MS2/Extra firmware 3.1.0 released - Miata Turbo Forum - Boost cars, acquire cats.

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Old 01-21-2011, 08:13 PM   #1
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Default MS2/Extra firmware 3.1.0 released

http://www.msextra.com/forums/viewto...?f=101&t=39013

The post mentions that users of the 3.0.XX series are advised to upgrade.
Has anyone here upgraded? Any changes?
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Old 01-22-2011, 03:35 AM   #2
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I have it. Didn't make any difference for me.
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Old 01-23-2011, 09:19 PM   #3
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I upgraded 4 hours ago. The ride is much more smoother. I love it.
It even starts quicker. (I had huge problems with starting due to noise from the cam signal) maybe it is solved.. who knows.
I will test it more and I will report.
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Old 01-24-2011, 09:04 AM   #4
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Quote:
Originally Posted by gianic View Post
I upgraded 4 hours ago. The ride is much more smoother. I love it.
It even starts quicker. (I had huge problems with starting due to noise from the cam signal) maybe it is solved.. who knows.
I will test it more and I will report.
UPDATE
Starting problems aren't solved. Still too much noise from cam signal.
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Old 02-04-2011, 09:53 PM   #5
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Quote:
Originally Posted by gianic View Post
I upgraded 4 hours ago. The ride is much more smoother. I love it.
It even starts quicker. (I had huge problems with starting due to noise from the cam signal) maybe it is solved.. who knows.
I will test it more and I will report.
Which version did you upgrade from?
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Old 02-05-2011, 04:48 AM   #6
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Quote:
Originally Posted by gianic View Post
UPDATE
Starting problems aren't solved. Still too much noise from cam signal.
How do you know? Have a scope trace to share?
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Old 02-05-2011, 05:28 AM   #7
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It shows on the composite logger.
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Old 02-05-2011, 12:34 PM   #8
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I had a couple of weird problems when running on 2 injector banks in combo with alphaN. Also my CLT jumped somehow when hot. So on that vehicle (it was a motorbike) I flashed it back to 2.1.0e and had no problems after that. I posted this to the MS forum aswell. It might be in the vehicle's wiring though. Just to let you know.
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Old 04-06-2011, 03:39 AM   #9
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the new closed loop idle PID stuff they are working on for 3.1.1 and 3.1.2 looks pretty cool/interesting, I'm going to try it out here soon after I get my turbo back from Begi.

http://www.msextra.com/forums/viewto...p?f=91&t=39611
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Old 04-06-2011, 03:45 AM   #10
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I've tried it and it does make a huge difference (but you need to cut down on your PI by more than 50%). All my latest ECUs have this even though they report a firmware version of 3.1.0.
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Old 04-06-2011, 04:00 AM   #11
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What do your P and I values look like after the retune?

I flashed the 3.1.2 on the car and the idle is nicely even with my old PI values, I didn't have the time to re-tune up to now...
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Old 04-06-2011, 04:08 AM   #12
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Went from 40/140/5 to 20/50/2.
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Old 04-06-2011, 09:23 AM   #13
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Quote:
Originally Posted by Reverant View Post
Went from 40/140/5 to 20/50/2.

I'm at 5/30/10 without the new code...lol.
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Old 04-06-2011, 11:12 AM   #14
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You haz a NA idle valve...no comparison between the NA and the NB idle valve.
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Old 04-06-2011, 11:16 AM   #15
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this is true. was just saying. I'll probably load alpha7 one of these days, but I really have no need.
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Old 04-06-2011, 12:14 PM   #16
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skip alpha7. the next alpha will be better. especially for me. and dimitris.
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Old 04-06-2011, 02:19 PM   #17
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And Jason.
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Old 04-06-2011, 02:31 PM   #18
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well i dont need the vvt improvements, but ill get whatever is newest
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Old 04-06-2011, 03:37 PM   #19
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I recently updated to 3.1.0. I did notice the difference in idle response with respect to PID settings. The idle seems smoother and drops much faster than before when blipping the throttle.

Edit: Any change to the sequential misfire issue?
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Old 04-06-2011, 03:39 PM   #20
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I don't believe 3.1.0 had any changes regarding PID from before. As for the RPMs dorpping faster, maybe you installed a lightweight flywheel in between?
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