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Thread: E38 / E67 VATS disable guide

  1. #131
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    Quote Originally Posted by GMPX View Post
    If I recall it was the 2009+ OS's that would shut off the injectors if the starter relay was not connected, when we added the cal to change the starter relay type it fixed that issue.
    I could see a more positive look in your eyes at the end of your mini Virtual VE table training session at PRI, mission accomplished, that alone justified your airfares
    I'm just going through my first VATS delete using a E38 ecu stand alone and I have ignition but no injection while cranking.
    Is it the G1220 setting on the factory "apply to 12 V" that causes this?
    We're using a independent starting system.
    Setting it to "Not used" will hopefully sort it.
    I'm trying to sort this remotely you see so its a bit painful

    thanks,
    Mike in NZ
    "Just a tune > yeah right !!!! "

  2. #132
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    Yes set that to not used and it should work.
    00 Silverado Z71, LQ9 w/ LS3 heads, BTR cam, Whipple 2.9@8#, 4l80E

  3. #133
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    Quote Originally Posted by WSNPerformance View Post
    Attachment 21394

    Engine swap into an old nissan. Engine hasn't ran since it was rebuilt.

    E38 computer 2009 OS compatible

    11:1 compression

    4.005" pistons

    stock LS3 Camshaft

    lz1 engine out of a truck, its 58x and has ls2 part number on the block, 243 heads etc. Had vvt, afm, deleted all that.

    Custom stand alone harness brand new everything.

    starter relay set to "not used" its also set up on a relay w/resistor just in case.

    push button start, everything is on a relay. switched power for ignition etc. Brake switch on a relay.

    grounds are good and solid. Two 4 ga chassis to engine grounds + grounds from the harness.

    while cranking voltage goes down to about 10.8 is the lowest i've seen it, usually around 11 mostly. key on usually 13.4ish

    LS2 intake manifold with ls2 33# injectors.

    fuel pump is an aeromotive 355, -6AN to corvette fuel filter/regulator into the stock ls2 fuel rails. Pressure while cranking is 70psi

    I'm getting spark and fuel. The engine almost starts, stumbles like its about to start and then immediately stops once it gets close to sounding like its starting..

    Brand New : map sensor, O2 sensors, MAF IAT, ECT sensor, Cam sensor, Crank sensor, Oil pressure sensor.
    runs great on brake cleaner.
    Engine will not run, tried everything I could troubleshoot from searching, searching, searching, searching, and yes searching.... Some how still think its the VATS due to its behavior.
    Tried all sorts of VATS parameter combinations w/ no luck. the full flash patch etc. in all types of orders. IE stock tune.. adjust vats parameters then apply patch then FULL reflash: No luck. IE stock tune apply vats patch, adjust parameters. : no luck. ETC.. I've done this with adjusted IFR : No luck. I've tried different OS' within my compatibility.. I've thought about trying an older OS' but I don't want to damage my ECM so I haven't yet. Should I use an older OS in the ECM?

    I'm at the point where I'm ready to get a lignenfelter kit and convert to gen 3 since I have an ecm and harness at my shop already. OR I just may carb it.. I would like to not do either one of those because I don't want to spend anymore money on this thing. unless its getting tuned.

    Could someone please take a look and maybe steer me into the right direction.. Everyone has told me how easy these motors are and I feel the opposite about them right about now..

    EFI live is up to date. I've messed with PIDS, I'm getting rpm, etc.

    Name it i've prob tried it... Thanks to anyone who takes their time to help or review.
    Same

    Sent from my SM-G955F using Tapatalk

  4. #134
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    Sep 2009
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    Quote Originally Posted by The Alchemist View Post
    I'm just going through my first VATS delete using a E38 ecu stand alone and I have ignition but no injection while cranking.
    Is it the G1220 setting on the factory "apply to 12 V" that causes this?
    We're using a independent starting system.
    Setting it to "Not used" will hopefully sort it.
    I'm trying to sort this remotely you see so its a bit painful

    thanks,
    Mike in NZ
    Thanks Mike for the G1220 setting!
    Fixed mine! I didn't realize it would effect me after playing with setting to use OEControls box that does start feature. Will troubleshoot more now that my car starts again.

  5. #135
    New Member rucxy's Avatar
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    I would like to know if remote start is possible on my 06 VE SS-V or is my OS to old or not compatible with it
    E38 PFI ECM
    OS 12612381 Rev. AA
    Bootblock 12605900
    Calibration ID 12612380
    I can post my factory tune file if required.

  6. #136
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    Dec 2018
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    whats the difference between vats type 2 and 3?

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