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Thread: Need help! 04 Audi A8l won't start

  1. #21
    NostraJackAss Jack@European_Parts's Avatar
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    T81/26=G70 (Mass Air Flow (MAF) Sensor). It draws large current or am i wrong? sorry I'm just learning lol
    Very good I'm proud of you OP!

    Did you know that no normally G70 it does NOT draw a significant amount of current, however, it makes me wonder why a 15 AMP fuse is used in WD for this and the consumers on the track in 87 and 87a huh, especially when those circuits which are burned are rated at 4 AMPS or less within the ECU, sigh?

    In addition to the aforementioned question, I'm still puzzled myself & further trying to understand why two separate heated OXS sensor supply fuses would be 15 Amp each too & when they only draw about an amp each & makes for no wonder why controllers are sacrificed?

    Did you trace everything on each consumer BUS and find out what is using the ECU as a fuse yet or did someone make a boo boo and induce this travesty of FOD?


    Also i just found out that the MAF sensor plug was unplug if that counts.
    Why was the MAF unplugged?


    Last edited by Jack@European_Parts; 12-09-2019 at 04:18 PM.
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  2. #22
    NostraJackAss Jack@European_Parts's Avatar
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    Report?

    Any news




    FYI:

    When I extract the data in that old controller, there will indeed most likely be a forensic & of what happened before it went straight to DEAD!
    Last edited by Jack@European_Parts; 12-10-2019 at 12:03 PM.
    European Parts Emporium/Performance / Immobilizer Solutions EPE
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    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
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  3. #23
    NostraJackAss Jack@European_Parts's Avatar
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    Well.............?

    European Parts Emporium/Performance / Immobilizer Solutions EPE
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  4. #24
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    Quote Originally Posted by Jack@European_Parts View Post
    Well.............?

    I apologized for the late response but I didn't want to respond without knowing what really happened, but I'm sure now, I might of put some voltage to one of the ground points of the car when installing the air ride cause I found my air ride relay to be connected wrong and to be specific i ran the ground from the relay where the remote wire was suppose to be and the remote where the ground was suppose to be. And I also bought an use ecm from the junk yard for $26 to make sure it wasn't going to damage it, so it worked and the car cranked and all the fuses were good. Now I can go ahead and buy the ecm from you lol

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  6. #25
    NostraJackAss Jack@European_Parts's Avatar
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    I apologized for the late response but I didn't want to respond without knowing what really happened, but I'm sure now, I might of put some voltage to one of the ground points of the car when installing the air ride cause I found my air ride relay to be connected wrong and to be specific i ran the ground from the relay where the remote wire was suppose to be and the remote where the ground was suppose to be. And I also bought an use ecm from the junk yard for $26 to make sure it wasn't going to damage it, so it worked and the car cranked and all the fuses were good. Now I can go ahead and buy the ecm from you lol




    While you might think that's a valid diagnosis did you know it is not?
    Ask yourself these questions please, okay?

    Did you know & I would like to point out, that heated OXS oxygen sensors, do not initially turn on or reach a critical mass load shed, nor do other switched consumers to ground when ECU is only ran for 2 seconds to blow a fuse?

    Don't you think it would be recommended to load test each consumer for actual draw?

    Were there any blown fuses when ECU burned down?

    What track exactly did you back feed B+ to ground through ECU and how would the ECU of switched it?
    Last edited by Jack@European_Parts; 12-13-2019 at 10:04 PM.
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

  7. #26
    NostraJackAss Jack@European_Parts's Avatar
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    Fixed yet.........?
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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