Fmic tuning

Discussion of tuning specific to MAZDASPEED3/MAZDASPEED Axela/Mazda 3 MPS vehicles
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DjDumpsterFire
Posts: 1
Joined: August 23rd, 2023, 9:53 am

Fmic tuning

Post by DjDumpsterFire »

Im just gonna put all the info out here:
I am brand new to tuning, I just finished a 2.5 swap on my gen juan and want to get it running. I jus started with one of the given ots tunes and am trying to tweak for my car.
I have a bnr s3 + supporting mods, occ, egr vtcs and balance shaft delete and newly a fmic.
The car will start up but wont idle. With fmic disconnected it will idle, giving it throttle it will stay on but by itself wont idle. I tried to edit some tables but dont know where the correct place to start is.
mituc
VersaTuner guru
Posts: 1329
Joined: December 17th, 2011, 2:47 pm
Location: Iasi/Romania

Re: Fmic tuning

Post by mituc »

What intake do you have? Usually the engine will die because of improperly calibrated MAF or because you have a huge leak somewhere.
Load this logging preset: https://www.dropbox.com/s/xowaxd4zho576 ... vtpre?dl=0 - start logging the moment you put the key on, and stop logging after the engine died.
2008 Cosmic Blue Mazda 3MPS
Built engine + WMI + GTX3071 gen2, ~509BHP @34PSI
2008 Icy Blue Mazda CX7
Stock engine and exhaust (YES!!), JBR3" + GTX2867 gen2 + Autotech HPFP, self-tuned to 330-ish BHP
mituc
VersaTuner guru
Posts: 1329
Joined: December 17th, 2011, 2:47 pm
Location: Iasi/Romania

Re: Fmic tuning

Post by mituc »

...and of course upload the log here so that we can look at it.
2008 Cosmic Blue Mazda 3MPS
Built engine + WMI + GTX3071 gen2, ~509BHP @34PSI
2008 Icy Blue Mazda CX7
Stock engine and exhaust (YES!!), JBR3" + GTX2867 gen2 + Autotech HPFP, self-tuned to 330-ish BHP
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