Can’t go past 4k rpm’s unless low throttle

Discussion in 'Mazdaspeed 3 Troubleshooting' started by Johan Mall, Dec 11, 2022.

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  1. Johan Mall

    Johan Mall Greenie N00B Member

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    Hey guys,

    I have a gen 1 MS3 and it’s having an issue where it’s not going past 4k RPM’s unless I’m very light on the throttle..


    *MOD LIST*
    550 HP Capable Built Stage 1 Graveyard Performance Engine

    CX Racing Intercooler Kit - Treadstone TR1035

    BNRS5 Turbo

    BNR S5 Turbo Drain Line

    Grimmspeed EBCS

    XClutch Clutch Kit - Twin Solid Organic

    Tial MVR 44mm External Wastegate
    Blue, Black, and Yellow Installed

    ATP Dump Tube

    JMF V2 Intake Manifold

    Graveyard Performance Return Less Port Injection Fuel System

    Graveyard Performance Tubular Exhaust Manifold

    Graveyard Performance Coilovers - GL Series

    Graveyard Performance 3.5" Aluminum Intake

    Graveyard Performance Crash Bar

    Graveyard Performance Oil Feed Line W/ Billet Filter

    Bosch 3.5 Bar TMap Map Sensor with IAT

    TurboXS Catless Downpipe

    HKS Catback Exhaust

    Damond Oil Catch Can Stage 1

    All 3 Damond Motor Mounts

    Damond EGR Block Off Plate

    Damond PCV Plate

    Damond Short Shift Plate

    JBR Short Shifter

    MS6 Slave Cylinder

    NGK 1-step colder Spark Plugs Gap .24


    I can’t seem to figure it out. I just replaced the throttle body thinking maybe that was it and I recently got new plugs. This build has less than 10k miles on it. I’ve boost leak tested multiple times. When it’s hitting that 4k RPMS, I can hear my turbo spooling, but I’m just not getting any power from it.. any help is greatly
    appreciated. Car has been down for a couple months now.

    Thanks in advance.

    -Johan Mall
     
    Johan Mall, via an iPhone, Dec 11, 2022
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  2. Awafrican

    Awafrican Moderator Silver Member

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    I hope that spark plug gap is a typo because it should be 0.026-.028" (tighter down to 0.024" as per tuner usually) not .24

    Who's your tuner? Have you talked to them about it? Have you taken a log of the issue? That'll help us help you
     
    Awafrican, via a mobile device, Dec 11, 2022
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  3. Easter Bunny

    Easter Bunny Professional Engineer Motorhead Platinum Member

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    You say that you have 10 k miles on the build. Have you changed anything recently
     
    Easter Bunny, via a mobile device, Dec 11, 2022
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  4. Johan Mall

    Johan Mall Greenie N00B Member

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    PD Tuning. Will Dawson. I’ve talked to him about it. I gotta get a log of it happening, I just don’t want to damage anything in the process either. I’ll definitely get a log though and send it his way and post it here.

    Also, I meant .024 my bad

    Everything is pretty new. But I’ve never been able to drive my car 100% properly. I keep breaking stuff. I just replaced my clutch pedal assembly, cuz it broke.
     
    Last edited by a moderator: Dec 11, 2022
    Johan Mall, via an iPhone, Dec 11, 2022
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  5. Johan Mall

    Johan Mall Greenie N00B Member

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    Here’s a couple logs.. #1 is just bucking, won’t go much past 4k rpm’s.. I tried to be on the gas, but bucks make it hard. #2 is having clutch all the way in, and barely moving, car idles up and down and dies.
     

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    Johan Mall, via an iPhone, Dec 15, 2022
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  6. jdab555

    jdab555 Greenie Member

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    Boost leak tested?
     
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  7. Johan Mall

    Johan Mall Greenie N00B Member

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    Yes, multiple times. Very very little air leaking. Hard to fix as well. Car has been running fine with it since the beginning..
     
    Johan Mall, via an iPhone, Dec 17, 2022
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  8. Brad_taylor00

    Brad_taylor00 Greenie N00B Member

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    Any update on this? I'm having the same issue
     
    Brad_taylor00, via a mobile device, Nov 18, 2023
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