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check engine 1/4 - hesitates

Discussion in '348/355' started by Houston348, Sep 24, 2008.

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  1. Houston348

    Houston348 Formula 3

    Oct 18, 2006
    2,297
    #1 Houston348, Sep 24, 2008
    my check engine light has been coming on while driving lately. when it does, and i try to give it a lot of gas, it will rev, then hesitate, then shoot up again. The light goes on and off along with the hesitations. any ideas?
     
  2. Oengus

    Oengus F1 World Champ
    Rossa Subscribed Silver Subscribed

    Sep 29, 2004
    10,850
    Between timing belts/chains or West Palm Beach FL
    Full Name:
    Chas
    #2 Oengus, Sep 24, 2008
    Get some hyper flow cats
     
  3. F512M

    F512M Formula Junior

    Dec 9, 2003
    504
    Houston, TX
    Full Name:
    Jeremy Lawrence
    #3 F512M, Sep 24, 2008
    Check your ECU codes and tell us what it reads. Without those it is a guessing game.
     
  4. f355spider

    f355spider F1 World Champ
    Owner Rossa Subscribed

    May 29, 2001
    18,054
    USA
    #4 f355spider, Sep 24, 2008
    +1
     
  5. Houston348

    Houston348 Formula 3

    Oct 18, 2006
    2,297
    #5 Houston348, Sep 24, 2008
    now jeremy, you know im a complete moron when it comes to that car lol...im still perplexed why someone keeps taking out my engine and putting it in the trunk lol

    can you help me with the codes? or should i just let driversource pull them when i take it in for the alignment
     
  6. 3forty8

    3forty8 F1 Rookie
    Owner

    Apr 25, 2006
    2,713
    San Diego
    Full Name:
    Eric
    #6 3forty8, Sep 24, 2008
    Check out No Doubt's technical resource. It gives clear instructions - and if I could figure it out, anybody can, lol!
     
  7. Houston348

    Houston348 Formula 3

    Oct 18, 2006
    2,297
    #7 Houston348, Sep 24, 2008
    thanks! are the ECU's those two connectors behind the seats? or are they actually INSIDE the seats??
     
  8. 3forty8

    3forty8 F1 Rookie
    Owner

    Apr 25, 2006
    2,713
    San Diego
    Full Name:
    Eric
    #8 3forty8, Sep 24, 2008
    They are behind the seats, mounted on the firewall. You have a spider? If so, there should be one large panel to remove behind your seats on the firewall. Underneath the panel you will see both ECU's. Locate the red button (or in some cases a black button) - one for each ECU - and proceed with the instructions to pull your codes.
     
  9. Houston348

    Houston348 Formula 3

    Oct 18, 2006
    2,297
    #9 Houston348, Sep 24, 2008
    thanks! i'll check it tonight!
     
  10. F512M

    F512M Formula Junior

    Dec 9, 2003
    504
    Houston, TX
    Full Name:
    Jeremy Lawrence
    #10 F512M, Sep 24, 2008
    LOL..... If you have any trouble tonight I can help you pull the codes. It is not hard at all...
     

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