Need help pcm and P0128 code

Discussion in 'New Member Question and Answer Section' started by Alexander Dalmann, Sep 4, 2024.

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  1. Alexander Dalmann

    Alexander Dalmann Greenie N00B Member

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    Hey I’m a newish 2010 Mazda speed 3 owner and recently got these 2 codes on my accesport I was wondering what I should look out for or what are some solutions

    Year/Make/Model:2010 Mazda speed 3
    Mileage: 152000
    Location: Canada, Bc
    Concern: coolant temperature is low barely 180F
    DTC's: PCM
    P0128-coolant temperature is below the thermostat regulating temperature
    Modifications:
    Damond Oil catch can
    Cobb exhaust
    Jbr short ram intake
    Kw1 coil overs
    HPFP
    ECU/Tuning Software: Cobb accesport
    Tuner: stratified stg 2 tune
    Is the concern intermittent? No
    Can you duplicate the concern?
    Recent Repairs:
    Correction:
     
    Last edited: Sep 4, 2024
    Alexander Dalmann, via an iPhone, Sep 4, 2024
    #1
  2. TorukNeikea

    TorukNeikea Greenie Member

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    you’ve gotta tag somebody so your thread gets some recognition, I hope you’ve figured out your issue by now though.
     
    TorukNeikea, via an iPhone, Dec 17, 2024
    #2
  3. L337TurboZ

    L337TurboZ World Class Truck Squatter Greenie Member

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    Chances are your thermostat is bad. Most likely stuck open.
     
    L337TurboZ, via a mobile device, Dec 17, 2024
    #3
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