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SM4 Cal file - Holden Commodore ecotec

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  • SM4 Cal file - Holden Commodore ecotec

    Hi guys, just finished up my install of my SM4 after about 12 months of figuring it out lol. So i have the car running and idles but stutters and splats and farts about once you begin driving, so the tune is non existant. Does anyone have a cal file base tune or even pointers on what i should be adjusting around a little bit just to get it semi drivable to my mechanic?

    Any help is much appreciated.

  • #2
    Attached is a cal for the 18x signal connected to the Cyl I/P. You will need to configure your output connections in the cal and recalculate the Base Fuel Delivery multiplier if required.

    You will need to check the ignition timing and if it is not correct change the Divider Offset parameter in menu M1 - I/P Cyl & Sync.
    Attached Files


    • #3
      i have input cylinder +ve connected the tacho out on the ignition module which is 1 x i believe. should i be using the 18x wire instead? i have the sm4 set to 6 trigger events per revolution.


      • #4
        wired to the 18X output on the DFI module. the fuel injectors make a clicking noise in sequence with the ignition on. Is that normal?


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