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  • trouble codes... what are your thoughts...

    [PCM] P0137 - HO2S Circuit Low Voltage Bank 1 Sensor 2 (Old) (Immature)
    [PCM] P0420 - Catalyst System Low Efficiency (SES) (Old) (History) (Immature)
    [PCM] P1133 - HO2S Insufficient Switching Bank 1 Sensor 1 (Old) (Immature)



    I deleted the post cat o2 if I remember correctly for the PO420

    but whats up with the rest?

  • #2
    Re: trouble codes... what are your thoughts...

    ohh yeah... 2000 v6, 76k 5-speed

    mileage isn't horrid but there is a chance my y-pipe to exhaust manifold is a little loose. Checking it out. today during an oil change.
    Last edited by DAS BOOT; 03-25-2007, 04:43 PM.

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    • #3
      Re: trouble codes... what are your thoughts...

      nevermind...


      rushed the last y-pipe job and had my bro who is not handy and knows nothing of cars put up that side. Wasn't lined up right. I just dropped it and put it back up.


      then seafoamed, cleaned the TB, cleaned the MAF, flushed the motor, changed the PCV, did homemade ram air, homemade smooth bellows shaved my lid, and car is running like a champ.

      oh yeah forgot I put an old tune in recently and forgot to delete the P0420 code, I just threw the stock tune in, adjusted for fans, CAT, removed COT, added 2* timing across teh board.

      other codes haven't reappeared yet.

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      • #4
        Re: trouble codes... what are your thoughts...

        good to hear.
        http://www.bowtiev6.com/

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        • #5
          Re: trouble codes... what are your thoughts...

          I would watch that driver's side sensor (the p1333 one, bank 1 sensor 1)
          How old is it?
          Hopefully you just had an exhaust leak and now its fixed
          If its the rustang... then its normal to fix or replace daily :)
          2k2 camaro, K&N, SLP whisper lid, Konis, AEM, HP Tuners, Angel eyes/Halos, CF SS ram air hood, 4.10s, Zexel Torsen, UMI SFCs, CrossFire, BFGs, Gatorback, Catco, Flows, and TLC! DONT feed the Trolls!

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