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Thread: Now what? rough idle to no start

  1. #1
    Garrett booster
    Join Date
    Jun 2006
    Location
    Kelowna BC
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    249

    Now what? rough idle to no start

    Ok, car is a 90 VNT shadow with a garrett TO3 and stock everything else.

    Problem is that the car seemed to have a rough idle and the check angine light came on everyonce and a while, so I checked the codes and came up with alot- 13 33 24 27 46, so I reset the computer and took it for a boot and the light came on, then I just got codes

    24 Throttle position sensor over 4.96V (SEE NOTE #3)

    and

    33 Air conditioning clutch relay circuit open or shorted (may be in the wide-open-throttle cutoff circuit)

    Then I tried to start the car again ind it won't start. swapped in 2 other TPS's with no success.

    Thank You

  2. #2
    Garrett booster
    Join Date
    Jun 2006
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    Kelowna BC
    Posts
    249

    Re: Now what? rough idle to no start

    Hehe, well, wiggled around a bunch of wires and she runs good now

  3. #3
    turbo addict
    Join Date
    Dec 2005
    Location
    White Rock/Surrey B.C.
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    1,578

    Re: Now what? rough idle to no start

    Does your A/C work? I get 33 because I have mine disconnected and removed.

  4. #4
    Garrett booster
    Join Date
    Jun 2006
    Location
    Kelowna BC
    Posts
    249

    Re: Now what? rough idle to no start

    No a/c

    I put in spare HEP, TPS and MAP sensors just in case it's one of them.

  5. #5
    turbo addict
    Join Date
    Dec 2005
    Location
    White Rock/Surrey B.C.
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    Re: Now what? rough idle to no start

    If you have no A/C that could be it. There was only 1 computer made for the VNT. Since yours is a comp. VNT, it probably didn't come with A/C stock, but used the computer the rest did, which all had A/C.

  6. #6
    Garrett booster
    Join Date
    Jun 2006
    Location
    Kelowna BC
    Posts
    249

    Re: Now what? rough idle to no start

    Ok, that makes sense. So it must be something to do with my TPS or wiring or something.

    Thank You

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