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PO 422 is killing me! V70-XC70 1999

posted by  jerzyk on  Thu Oct 20 13:37 CST 2005
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last visit: Sun Nov 23 05:54 CST 2008
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Guys,I need help ,PO422 keeps comin' back ,I replaced upstream o2 sensor[heater went after 119k miles] 4 months ago, downstream sensor is new also,no air leaks on the intake side[smoke machine shows nothing] and I had my cat conv. on the bench -white and clean like new.Right now I got124k on the clock,5W-40full synth.from beginning and so far no problems.I'm going out of ideas.Anybody...... please....








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    PO 422 is killing me! V70-XC70 1999

    posted by  jerzyk on  Thu Nov 3 16:20 CST 2005
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    last visit: Sun Nov 23 05:54 CST 2008
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    new catalitic converter fixed the problem ,so far so good
    thanks








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      PO 422 is killing me! V70-XC70 1999

      posted by  MadeInJapan on  Thu Nov 3 16:21 CST 2005
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      last visit: Sat Oct 2 06:34 CST 2010
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      Good deal...glad you figured it all out.
      --
      1998 S70 T5 Emarald Green Metallic, 2004 V70 2.5T Ruby Red, Previous Owner of Black '94 850 Turbo Wagon. My cars have been running so well lately they've got me worried.








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    PO 422 is killing me! V70-XC70 1999

    posted by  MadeInJapan on  Thu Oct 20 15:14 CST 2005
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    last visit: Sat Oct 2 06:34 CST 2010
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    Did you look at the pvc valve (nipple) under the fuel rail?
    --
    1998 S70 T5 Emarald Green Metallic, 2004 V70 2.5T Ruby Red, Previous Owner of Black '94 850 Turbo Wagon. My cars have been running so well lately they've got me worried.








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      PO 422 is killing me! V70-XC70 1999

      posted by  MadeInJapan on  Fri Oct 21 17:54 CST 2005
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      last visit: Sat Oct 2 06:34 CST 2010
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      From another post on another site I found that some of these PVC valves are in the intake hose going to the turbo near the firewall...very hard to get to. Look there first before taking the fuel rail off. Good luck!
      --
      1998 S70 T5 Emarald Green Metallic, 2004 V70 2.5T Ruby Red, Previous Owner of Black '94 850 Turbo Wagon. My cars have been running so well lately they've got me worried.








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        PO 422 is killing me! V70-XC70 1999

        posted by  jerzyk on  Sat Oct 22 11:58 CST 2005
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        last visit: Sun Nov 23 05:54 CST 2008
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        Made in japan-thank you for your advises,I checked all the hoses again and one clamp on Y- connentor looked loose,we'll see. I'm not used to keep replacing the parts until I'm 100% sure. all my clamps are new and all suspected hoses.
        two more things:do you know whats the psi spec. at intake and engine running at idle?
        I just installed used ETS body[out of 01 c70 with 15k miles]in my friends2000xc,works fine without programming[same communication code]
        Thanks again!!!!!!!!!!








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          PO 422 is killing me! V70-XC70 1999

          posted by  MadeInJapan on  Sat Oct 22 13:57 CST 2005
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          last visit: Sat Oct 2 06:34 CST 2010
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          wow...very surprised the ETS worked out of one car in another without programming. That's great news and I'm sure saved tons of $$. I'm not sure of the psi at idle. I would post this as a separate question [new post] here and see what others say. I don't think my copy of VADIS has that information, but I'll take a look and post back if I find something.
          --
          1998 S70 T5 Emarald Green Metallic, 2004 V70 2.5T Ruby Red, Previous Owner of Black '94 850 Turbo Wagon. My cars have been running so well lately they've got me worried.







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