Stock gen 2 boost cut

VersaTuner for Mazdaspeed6, Mazda 6 MPS, Mazdaspeed3, Mazda 3 MPS, CX7
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AsheelSam
Posts: 1
Joined: September 10th, 2024, 5:31 am

Stock gen 2 boost cut

Post by AsheelSam »

Hi please help,

I am experiencing boost cuts with my stock gen 2. I am able to hit full boost, and thereafter the boost cuts to around 0.75 bar at 4000 rpm.

I have tried to cleaned both the MAF and MAP sensors. But the issue still persists with no CEL.
mituc
VersaTuner guru
Posts: 1425
Joined: December 17th, 2011, 2:47 pm
Location: Iasi/Romania

Re: Stock gen 2 boost cut

Post by mituc »

What tune are you using? Can you log a WOT pull using this logging preset: https://www.dropbox.com/scl/fi/s7e5zpu3 ... vq1du&dl=0 ?
2008 Cosmic Blue Mazda 3MPS
Built engine + WMI + GTX3071 gen2, ~550BHP @35PSI
2008 Icy Blue Mazda CX7
Built engine and stock exhaust (YES!!), JBR3" + GTX2867 gen2 + Autotech HPFP, self-tuned to 360-ish BHP
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