Miata Turbo Forum - Boost cars, acquire cats. - MAF bolts instead of AFR Please help ASAP!

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ANONYMOUS_HAM

01-11-2017 02:45 PM

MAF Volts instead of AFR Please help ASAP!

https://cimg7.ibsrv.net/gimg/www.mia...91eb77d4b2.jpgI've tried the other LC-1 setting but no luck. I have a LC-1 wideband and a MS1 9495 v1.01 I guess the fuel tables didn't load on the base map because of it. Can please someone tell me how to change it. There is no information on tuning it on volts. It starts, stutters, idles at 1900 rpm for 3 seconds then dies at 9.8 AFR

Matt Cramer

01-13-2017 10:44 AM

MS1 MAF tuning is very crude and completely different from MS2 and MS3 MAF based tuning. You just set a VE table based on the voltage from the MAF. You don't have it using actual air flow numbers and targeting an AFR from there - the MS1 doesn't have enough power for that.

Gen 1 MSPNPs are not designed to use a MAF sensor anyway, unless you've made a ton of internal mods to it.

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