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Type: Posts; User: jimmyZJ

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  1. Replies
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    378

    I had same issue with a 4.7lHo, cold stat no...

    I had same issue with a 4.7lHo, cold stat no issue, after it sits more than 15 to 20mm then extanded cranking time, injectors were leaking into the cylinder creating a too rich mixture.
    I'm not...
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    7,543

    2002 and 2004 don't have same calibration file,...

    2002 and 2004 don't have same calibration file, look at fuel and PE
    135213
  3. hi, have a look page 4, they are showing...

    hi, have a look page 4, they are showing additionnal capacitors
    https://download.tpl.one/PLX/manual/SMAFR.pdf
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    840

    rear O2 sensors are not supposed to switch, if...

    rear O2 sensors are not supposed to switch, if they do it means cat is bad and the PCM send a code
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    8,729

    Whats a good operating range for both stft and...

    Whats a good operating range for both stft and ltft?
    -They are supposed to ba around 0% +/-5%
    But when you use E85 LTFT can reach +20% for exemple in closed loop operation, then when it goes into...
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    2,586

    There are MAP - VAC and RPM thresholds, above...

    There are MAP - VAC and RPM thresholds, above those threshold it goes into open loop / PE mode
    The only thing you can log is your o2 sensor voltage unless you have a wide band o2 sensor
    In PE...
  7. Hi there is not so much you can do on this king...

    Hi there is not so much you can do on this king of JETEC, even less if you don't have a wide band O2 sensor and nock sensor. With out wide band, you cant really tune fuel and with ou knock sensor you...
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    3,391

    hi, I may can help you on the 5.9 spark table

    hi, I may can help you on the 5.9 spark table
  9. Sticky: me too, now my ZJ 5.9 runs on E85, cold start up...

    me too, now my ZJ 5.9 runs on E85, cold start up to 35?F for now
  10. Replies
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    or switch and tune for E85 if you are having E85...

    or switch and tune for E85 if you are having E85 in your country
  11. Replies
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    12,406

    confirmed, I juste uninstall the KB5006670 then...

    confirmed, I juste uninstall the KB5006670 then it works fine
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    1,121

    3D chart display issue !

    are you facing the same problem I'm facing since few days with the 3D chart ?

    114463
  13. I'm tuning zj 5.9 for E85 98 ZJ 5.9 and Dodge...

    I'm tuning zj 5.9 for E85
    98 ZJ 5.9 and Dodge Ram 5.9 have very different calibration file, fuel & timing
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    Hi, it's like it can't be done because there is...

    Hi, it's like it can't be done because there is no VE table on JTEC, you can only use fuel trim errors in % and then apply this % error on the injectors pulse width.
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