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2v gt tork tech lean

Discussion in 'SN-95 and New Edge Mustangs' started by rbpf3379, Sep 13, 2017.

  1. rbpf3379

    rbpf3379 MUSTANG KING Established Member

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    Hey guys tork tech setup walbro fuel pump 60lbs injectors 90mm mafs tuned by vmp on start up car stays on 18 (lean) goes to 15 then back to 18 and stays on my wideband A/f also 6an fuel lines returnless fuel system any suggestions

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  2. DHG1078

    DHG1078 ¯\_(ツ)_/¯ Established Member

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    Has it been like this since VMP tuned it? new issue? Any changes to the car since VMP tuned it?

    If its been like this since vmp tuned it, have you contacted them?

    Whats your fuel pressure? What walbro fuel pump did you put in? Any vacuum leaks?
     
  3. rbpf3379

    rbpf3379 MUSTANG KING Established Member

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    Walbro 255 lph no vacuum leak and its been like that sence i got it tune and also they could not read my datalog so they sent a tune for it to be rich but the problem still persist the car run fine also in boost also fuel pressure regulator read 40 psi

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  4. rbpf3379

    rbpf3379 MUSTANG KING Established Member

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    In addition i have my wideband o2 sensor rite before the x pipe but i wanna move it up closer to the header would that make a difference

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  5. Sluggie24

    Sluggie24 Active Member Established Member

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    The wideband should be as close to the header discharge as you can get it. An O2 sensor needs to be in a set temp range to read properly. It relies on the exhaust gas temp to keep it in that temp range. It's possible that since you have it far back its not at proper temperature and not reading accurately.
     
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  6. rbpf3379

    rbpf3379 MUSTANG KING Established Member

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    Ok thank you i will asjust it

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