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    So, I shouldn't worry about running rich...

    So,
    I shouldn't worry about running rich durring cold start because the OEM ECU is in open loop mode untill the O2 sensors warm up correct? I am under the impression that after warm up the OEM ECU...
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    CLT compensation and Knock monitoring

    Hey,

    I have a few questions.

    If I am in MAF intercept mode (MAP Y axis) will I be able to tee off my OEM coolant sensor and use CLT compensation? I am to tee Anolog #1 (White) into the coolant...
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    Ok. Thanks for your help!

    Ok. Thanks for your help!
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    24

    Awesome. Thank you for your help!

    Awesome. Thank you for your help!
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    I'm not cutting any O2 sensor wires, I dont need...

    I'm not cutting any O2 sensor wires, I dont need an unessessary CEL poping up..lol
    I need my Fuel trims as close to zero in closed loop. Trying not to trip any CELs. I live in NY with strict...
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    MAF intercept Query Part 2

    Whats up guys.

    I have another question, I apologize if this has been discussed or asked before.
    I have a 2000 Lexus GS400 1UZFE VVT-i with a Vortech centrifical supercharger.
    440 injectors are...
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    Good luck with your build!

    Good luck with your build!
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    Zeroed out base table?

    Ok sorry if this is a stupid question but in the instructions it says never to operate the vehicle with a zeroed out base table
    but when I load this table for my car that I found on the forums...
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    Ok thank you. Still trying to figure this thing...

    Ok thank you.
    Still trying to figure this thing out.
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    Ok. that narrows it down..lol The Car is a year...

    Ok. that narrows it down..lol
    The Car is a year 2000 GS400.
    I have installed a Wideband and it is connected to the MAPECU3.
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    Can I tune open and CLOSED loop? on a 1UZFE?

    What up guys,

    Looking for some info on tuning open and closed loop with a MAP-ECU3 (latest MAP-CAL installed)
    I have a MAP-ECU3 installed in a supercharged Lexus GS400 (1UZFE-VVTi) Everything is...
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    Well Peter was right. It was a wiring issue. Went...

    Well Peter was right. It was a wiring issue. Went back and proceeded to check my wiring one by one and found that one of the ignition coil leads was not soldered all the way thru. Re connected the...
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    Ok as I discussed with Pete from sales I will...

    Ok as I discussed with Pete from sales I will double check the wiring, try again and get you a screen shot of the MAPCAL dashboard readout and record a log file.
    I’m hoping is a wiring issue cause...
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    Just a little info to add... I have an older...

    Just a little info to add...
    I have an older MacBook Pro I don't know about the newer ones if it's still available (Apple likes to take away things you are used to) but I am running Boot Camp which...
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    NA 1UZFE vvti (GS400) rough Idle

    Hello all.

    Newbie MAPECU3 user here requesting some insight from you guys.


    Testing out the water so to speak and want to get to learn the MAP3 so I am on an NA set up (for now) OEM injectors,...
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