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Type: Posts; User: Olympiadis

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  1. Replies
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    No on the SUN equipment. Our Focus alternator...

    No on the SUN equipment.
    Our Focus alternator has a PCM controlled voltage regulator, and I really wish that it didn't.
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    So, not keeping enough heat in the pipe at part...

    So, not keeping enough heat in the pipe at part throttle.
    It helps to wrap the pipes with thermotec insulator wrap.

    the extenders cut down on the surface area of the O2 sensor that is exposed...
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    What truck would you be talking about?

    What truck would you be talking about?
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    No, not necessary. Tricking the MAP sensor...

    No, not necessary.
    Tricking the MAP sensor output will reduce some of the (AE) acceleration enrichment fuel delivered when used properly, but don't expect anything major.
    Some systems key most...
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    An engine running at stoich does exhaust HC and...

    An engine running at stoich does exhaust HC and O2, and an especially high percentage of both at idle speed due to the very slow charge velocity in the ports. Part of the O2 from the PCV system is...
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    I don't see that, not at the link I posted. It...

    I don't see that, not at the link I posted. It shows that you are in load cell number 0 at idle, but yes fuel trims are absolutely made at idle. Zero is just the name of the load cell, not the fuel...
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    Learn how your fuel trims work

    here:
    http://www.gnttype.org/techarea/faq/BLMINT.html
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    Those are mostly OBD2 systems. Have you looked...

    Those are mostly OBD2 systems.
    Have you looked into EFI-live or HP-tuner tuning software?
    I would call them and see what capability they have with your models.

    Forgive me for bypassing the...
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    What do you drive?

    What do you drive?
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    I am late here, but hopefully can add some useful...

    I am late here, but hopefully can add some useful info.

    Cars do start up in open-loop and the amount of time that passes between start-up and closed-loop mode varies with individual PCM...
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    http://users.hal-pc.org/~dhutch/MegaSquirtPage-2_f...

    http://users.hal-pc.org/~dhutch/MegaSquirtPage-2_files/image042.png

    Here's an example of a main spark advance table.
    This is not a stock table, but just for example purposes.
    FYI, some factory...
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    http://www.sr20deracing.com/looneytuning/Evo/Fuel_...

    http://www.sr20deracing.com/looneytuning/Evo/Fuel_Trims/trim_afr2.gif

    http://www.cobaltss.net/gallery/files/1/8/0/4/scan_2_ltft.jpg

    (two examples)

    This shows a table or map of your load...
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