low boost

  1. joshbunnett13

    Low Boost, AFR Stuck at 14.85, STFT stuck at 0

    Year/Make/Model: 2013 Mazda Mazdaspeed 3 Mileage: 193xxx Location: Ontario, Canada Concern: Low Boost Condition (Target = 20psi / Actual = 11psi) DTC's: None Modifications: Autotech HPFP internals, JBR 3.5in aluminum intake system, Corksport racepipe, VTCS delete, Turbosmart Kompact 50/50 BOV...
  2. originalmarshmello

    Am I safe running on Cobb Stage 1 OTS tune? AFR Seems High, Boost seems low on WOT

    Hi all! Today I threw a stage 1 cobb ots map on my 2009 Speed3. I first noticed that it felt way faster when pulling (Yay!), but soon after I saw that I was only making low 13's psi boost. I also saw that my AFR was different on WOT, staying around 11.76. There was a bit of Knock retard in one...

  3. [SOLVED] Stutter in 1st gear and low boost

    To start, my car is a 2008 speed3 with a Freektune Protune. My Modlist is the following: Autotech HPFP internal kit JBR 3" aluminum intake CPE Catted Downpipe CPE 3" catback TurboXS Hybrid BOV Damond RMM OE heat range NGK Iridium spark plugs gapped to .28" As the title states, I...
  4. Alan.ms3

    Low Boost, TPS only going to 77%

    So im having an issue that when im on a Specific tune my car wont go over 11.9 PSI. Tuner says to check for boost leak even tho on my OTS Cobb Stage 1 91OCT im hitting 15.6 PSi... Biggest concern right now is when doing a WOT pull my Throttle posistion is hitting no where near 100%. Maxing out...
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