AEM uego and MS, different readings
 

https://www.miataturbo.net/forum/t28005/

Went here followed all insructions yet no matter what I change the values to, under lambda sensor. (even as high as 21) it still doesn't get closer to the same) It's about 2 afr apart
The AEM will read 13 at idle where as the MS shows 15..
What should I try?

What is the directory of the file you are editing?

I still haven't gotten my afr's to match all the way. They match perfectly at idle and cruise but in boost MS reads 2 full points leaner.

I'm getting an LC1.
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I've tried my luck with the lc-1 and man it's a pita IMHO I suck So it might be the better route.. Anyway on to the other deal.\Program Files\MegaSquirt\MegaTune2.25\mtCfg\ then the msns-extra.ini
now when my car is off it slowly starts at 13 and works its way to 17 then the -- I haven't tried disconnecting it from the MS to see what it does so maybe thats my best bet to finding something

they all do the whole "13 to 17' when the car is turned off. Is it hooked up via serial or analogue port?

Thats good to know

serial for sure white wire to existing o2 wire correct?

I mean analogue sorry

Sorry for the multiple posts my edit button seems to crash my internet don't know why but it does anyway, Which AFR reading is going to be the correct one should I worry just about how the guage is reading or the MS I know if they were the same it would be ideal.

Pretty sure the one the gauge is showing is the more "correct" one.

ok Soo should I be worring about the noise so to speak... aka the difference? or should i tune based on the gauges afr?

Definitely tune according to the AEM gauge. It matched the Dyno afr's perfectly.
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Do you have autotune? If you do then you need for the readings to be consistent so your car will tune itself correctly. If not then definitely tune according to the gauge.

I can't offer advice save to clear your cache/cookies.

phail yes
nguyen no

fail and what now?

so any one else Joe? I know your the master Help me out here.

So it decided to match up on its own don't know why so problem solved! Thanks for the help guyz

Good shit:)
Nothing beats just letting the damn thing figure itself out lol

Ftw^