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Thread: 1990 SC will start then immediately die

  1. #16
    Join Date
    May 2002
    Location
    Dallas, TX
    Posts
    5,696
    Quote Originally Posted by Joe1990SC View Post
    I resealed them, still having the same problem
    Including the one closest to the firewall that bolts up to the intake plenum? That one is a pain because you have to remove the lower IC tube completely which involves a lot of work.

  2. #17
    Join Date
    Jun 2018
    Posts
    8

    Same

    Yeah the crank pully does wobble a little bit.

  3. #18
    Join Date
    Dec 2007
    Location
    PNW
    Posts
    6,589
    Quote Originally Posted by Joe1990SC View Post
    Yeah the crank pully does wobble a little bit.


    Take a good luck to see if the snout or pulley bolts are loose/missing. See if you can move the pulley by hand with the belt tension relaxed.

  4. #19
    Join Date
    May 2018
    Location
    Irmo SC
    Posts
    11

    Had the same problem with mine

    When I got my SC I had the same issue let it run as long as you can before it dies then CAREFULLY feel the temp difference of the cats and the pipe leading out of the cats if the cats are super hot and the pipe isn't they may be clogged preventing the engine from breathing..

  5. #20
    Join Date
    Apr 2002
    Location
    Greenville, IN
    Posts
    4,329
    How did you check for vacuum/boost leaks?

    Is the car stock or modified at all?
    Matt Haub
    Shootouts: '09 SS 1st | '10 Mod1 2nd | '11 Bracket 3rd | '12 Bracket 1st | 2013 | '14 Bracket 3rd | 2015 | '16 Bracket 1st & Mod2 2nd | 2017 |
    Black '89 5spd - 281K miles, MPx, E85, Alky-Inj ¦ RWHP: ? RWTQ: ? ¦ Best 1/4mi:12.521, MPH:107.23mph
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