Thread: ECU Problem, Emissions can't scan my car, Error shows up on their scanner

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  1. #1 ECU Problem, Emissions can't scan my car, Error shows up on their scanner 
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    My question is, why my ecu cannot be read my emissions testing etc. Everything in my car runs fun, EVERYTHING, but when it comes to it being read by emissions and what not, it wont read correctly? Why is that?
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  2. #2 Re: ECU Problem 
    Moderator dsmuts's Avatar
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    do they plug it into the obd2 port? If so your fuse maybe blown its the same fuse for the cig lighter.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  3. #3 Re: ECU Problem 
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    yeah they do and it comes up as a like an error or they cannot read it, and its weird because everything in my car works fine
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  4. #4 Re: ECU Problem 
    Moderator dsmuts's Avatar
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    Your fuse is probably blown check it out and see if it is blown.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  5. #5 Re: ECU Problem 
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    there's a blue wire hanging near the port that looks to be either cut or ripped off, could that be the cause of an error reading?
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  6. #6 Re: ECU Problem 
    Moderator dsmuts's Avatar
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    Not sure what that blue wire goes to but it can't hurt anything to hook it back up and see if it makes any difference.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  7. #7 Re: ECU Problem, Emissions can't scan my car, Error shows up on their scanner 
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    wheres the fuse located
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  8. #8 Re: ECU Problem, Emissions can't scan my car, Error shows up on their scanner 
    GT Level Member tylerbinski's Avatar
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    if your cigg lighter works, then its not the fuse.

    fuse would be in the fuse panel in car. check your owners manual.


    yes. hook up that blue wire that is ripped/cut.. or post a pic.. taht is likely the issue.

    '04 BLK GP - .. Turbo :P
    GTP SIC - '02GTP | XP Cam | Intercooled Turbo Kit | Cutout....Fire mod 9/11
    GTPSIC '02 | Twin charge, XP cam et
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  9. #9 Re: ECU Problem, Emissions can't scan my car, Error shows up on their scanner 
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    the blue wire is located right above the break pedal and is just hanging there
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