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Exhaust installed, check engine light on Help!!!

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  • Exhaust installed, check engine light on Help!!!

    i installed a pacesetter exhaust on my saturn, its a cat back system and once i installed the check engine light seems to go on when i hit high rpms usually about 5000, i un hook the battery and it resets its fine until i rev the engine high again and it goes on again and stays on for a while. Any ideas??

  • #2
    what year is your car?
    LSJ powered 1998 Chevy S-10 turbo
    visit my Albums -


    • #3
      96 saturn sl2,


      • #4
        might be oxygen sensor. i think shortly after i had my exhaust done, when i got into high rpms, i would throw a code for a slow signal or whatever from the oxygen sensor. bought the universal 1 wire sensor for $18 and problem went away.
        Ian---The Fat Ass

        1995 SL2-High compression engine FOR SALE
        2010 Chevy Cobalt SS- tuned with plenty of goodness
        2002 SC2-New daily
        2017 Kawasaki Ninja 650 KRT- got a stupid deal
        2003 Ford Taurus SES- free daily beater


        • #5
          did you remove or replace the cat?
          Is that an old O2 sensor in there now?
          LSJ powered 1998 Chevy S-10 turbo
          visit my Albums -


          • #6
            same cat and same o2 sensor did not touch either of them


            • #7
              get a new o2 sensor


              • #8
                Get the code read.

                NObody can tell you what the SES means. I could tell you that you need a new ECTS, but it still doesnt mean anything without knowing the code.
                07 Redline w/ stuff.<br /><br />89 Civic hatch w/o stuff.<br /><br />96 SL2 that dont need stuff.


                • #9
                  Autozone FTW. They'll read the code for you for free....but an SES light on a Saturn? When it goes OFF is a reason to worry!
                  <img src="{SMILIES_PATH}/stc.gif" alt="" title="STC Logo" />-NY Founding Member
                  <br />Black '03 Ion QC - &quot;The Target&quot;
                  <br />
                  <br />[quote author="okhalid83 on Saturnfans"] Wow i read ur signature underneath and it shows ur number 4 in line for a skyline redline??? congrats on long is the wait?<br /> [/quote]<br />[quote author="Schizzo97SC2"] I just ate a bunch of fiberglass insulation, it wasn't cotton candy like that guy said. My stomach itches.[/quote]


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