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Thread: How to set your idle with Chrome (the proper way)

  1. #11
    Ti/AL goodness Not Verified Feedback Score 1 (100%) Pensky3thousand's Avatar
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    Quote Originally Posted by Greg E View Post
    What does the idle switch have for a scaling in evoscan? I wonder if you are one of the unlucky guys who got the wrong evoscan XML file. I can email you the correct copy if you need it.

    Yeah, can you email me the xml file just to be sure I have the right one. My email is this username at g mail.
    If it's a software glitch i'd be thrilled lol. Like I said I tested the IAC/TPS/TB themselves and their wiring. Everything checks out.
    I'm stumped.

    I'm going off the reading I get on my LCD boost controller. It always says idle switch: off

    Idle switch always says "off" on evoscan as well.
    I'll check the scaling for the idle switch on evoscan tomorrow.

    Thanks for the help!!!
    Last edited by Pensky3thousand; 05-16-2013 at 03:38 AM.

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    when youre logging via lcdbc you need to have proper LCD firmware. I had the same issue. blackstealth hosted a fixed file, no idea where its hosted now

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    my idle switch isnt reading as well i changed to match the pic you posted

    also for those of us with q45 throttle bodies that dont have a BISS adjustment
    i would assumem we just use the throttle plate adjusment screw?

    on my evoscan i have isc counts in the 40's under my normal idle of about 1000(where i want it)
    with the sas i have counts of 8 or 9 obviously because of sas mode and a idle of about 700-750

    is there a normal isc count or not



    Kx

  4. #14
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    Feedback Score 1 (100%) Greg E's Avatar
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    Look as the ISCV tables to see the "base" idle position values under all the various conditions.

    If you're running a q45, you're probably not gonna have an idle switch
    Last edited by Greg E; 05-18-2013 at 04:53 PM.

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    oh ill have to look into that

    could have sworn it did
    its a 4 wire tps and i thought the diagram said it did

    Temp--------ISC
    122----------60
    170.6--------27
    179.6--------17

    so i guess im a little off

  6. #16
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    Feedback Score 1 (100%) Greg E's Avatar
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    I have never run a q45 so anything I got to say about it comes from others. It may or may not be accurate.

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    Ti/AL goodness Not Verified Feedback Score 1 (100%) Pensky3thousand's Avatar
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    I got busy over the weekend getting down to Ray's to dyno but I finally checked on the scaling. Scaling is 1.

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    I actually had a series of other things going on.........

    like having a broken pvc hose that went undetected until I decided to remove the crank vent.

    Installed the throttle body gasket the wrong way (duh!) thanks April

    Replaced the TPS but still had continuity on pins 3,4

    I fixed all of those things so I'm now at a point where the car doesn't want to cut off when put in SAS mode and I was able to set my idle

    Quote Originally Posted by Greg E View Post
    You've got another X factor on your car (ProM) so I can't help but wonder if you need to turn down the low knob.

    What are your narrowbands doing in SAS mode? Are you lean or rich?



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    Ti/AL goodness Not Verified Feedback Score 1 (100%) Pensky3thousand's Avatar
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    bumppp

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    I am confused by my car. My idle is seemingly perfect.. The car runs smooth at about 650-700rpm when warm.. But.. When I drive the car runs like dump.. feels bogged down or something, sputtering or missing almost.
    Any idea where I should start?

    The following are new:
    tps, TB, coil packs, plugs, wires, ptu, knock sensor.
    The CPS is still old, as is the IAC.. I am seeing a lot of timing advance (30 or so) on my car, but my car is also a 93 and I haven't fixed the timing maps yet.

    Any help is appreciated.
    Thanks.

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