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Thread: 1990 GSX problem

  1. 09-20-2008, 08:58 PM #1
    Motivation
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    Default 1990 GSX problem

    I was about to leave and when I went to start it, it revs to 1.3k-almost 2k rpm. Check engine light comes on. When I rev it, it only revs to around 3k and sounds like it is hitting a rev limiter... Any ideas on what it could be? (SAFC2 if this helps any) Thanks for any help. REPS for any help. Really need it...
    Back to being stock and slow
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  2. 09-20-2008, 09:00 PM #2
    dohc4.6sc
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    a better explanation would help i guess? i have owned plenty of tese and have no clue what you are talkin about bro.
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  3. 09-21-2008, 12:11 AM #3
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    Quote Originally Posted by dohc4.6sc
    a better explanation would help i guess? i have owned plenty of tese and have no clue what you are talkin about bro.
    I start the car, after about two seconds the check engine light comes on. Then it will start revving to about 1.3k-2k rpm when I am letting it idle. When I press the throttle it only revs to about 3k and sounds like it is hitting a rev limiter that won't allow it rev any higher... Sorry not sure how to explain it anymore... That is all I know... I think it has something to do with the SAFC though... not sure... I am going to mess with it in the morning... thanks anyways bro.
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  4. 09-21-2008, 05:06 PM #4
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    after about 8 hours of research on VFAQ.com gadsm and a few other sites, talking to a few people who knew about them, including Josh (tech5, recommended to everyone) I got it back up and running better than before. When going through the safc2, the karman setting got taken off the monitor list... I found out that when this is taken off, the car will not run correctly. So, I put it back on the monitor and the car fired right up, no check engine, and everything is smooth...
    Back to being stock and slow
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  5. 09-21-2008, 05:09 PM #5
    FasTech
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    Is this cgEvan's old car???
    "Damn, Its Tyler"
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  6. 09-21-2008, 06:10 PM #6
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    Quote Originally Posted by Fast-Tech
    Is this cgEvan's old car???
    Yes it is.
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  7. 09-21-2008, 06:11 PM #7
    FasTech
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    That thing just floats around everywhere doesn't it.......lol


    Hope you get her running right bro
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  8. 09-21-2008, 06:14 PM #8
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    Quote Originally Posted by Fast-Tech
    That thing just floats around everywhere doesn't it.......lol


    Hope you get her running right bro
    not anymore she doesn't... lol. she finally found a home... Going to get it tuned in a few weeks, and upgrading turbo and a few other things, evo seats from 5.7 tundra, HID's next week and a few other things...

    Thanks bro. she's running good now.
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  9. 09-21-2008, 10:12 PM #9
    Catnip
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    the same thing happened to me. lmao.
    '92 C2500 6.5 Turbo Diesel | '96 240sx
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  10. 09-21-2008, 10:14 PM #10
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    lol, well I never even thought about it or I would have mentioned it to you... would have saved me a lot of trouble and maybe a little sleep. ha... that turbo upgrade might happen this weekend or next.
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  11. 09-21-2008, 10:24 PM #11
    Catnip
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    Quote Originally Posted by Motivation
    lol, well I never even thought about it or I would have mentioned it to you... would have saved me a lot of trouble and maybe a little sleep. ha... that turbo upgrade might happen this weekend or next.

    dang, finances must be looking good

    lol
    '92 C2500 6.5 Turbo Diesel | '96 240sx
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