MS2 stalls sometimes with A/C - Miata Turbo Forum - Boost cars, acquire cats.

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Old 07-03-2013, 06:31 PM   #1
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Default MS2 stalls sometimes with A/C

Hey guys, I've been fighting this for awhile now:
Running an MS2V3 (Rev built) on my 2k. Once in awhile (Maybe every 20 stops) the MS2 fails to "catch" the idle before it stalls out coming to a stop at a light/intersection.

When it does catch it idles fine, but maybe once or twice per drive cycle for some reason it hits a condition where it doesn't think it needs to up the PWM Idle Duty, and just lets it stall out.

I've included a snippet of a log where it happens as well as my tune. If anyone could take a look and suggest what might be happening that'd be great.

Thanks!
Attached Files
File Type: msl 2013-07-01_15.09.42.msl (20.0 KB, 38 views)
File Type: msq SJP-Stall-AC.msq (99.6 KB, 51 views)
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