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FRUSTRATED S70 1998

posted by  LON on  Mon Mar 15 07:22 CST 2004
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JUST FAIL INSPECTION, I HAD BOTH OXYGEN SENSORS REPLACED, THE ROTOR AND CAP, PLUGS AND WIRES, FAILED FOR PO304,PO303(MISFIRE CYLINDER 3),PO300(RANDOM MISFIRE),PO301(MISFIRE CYLINDER 1),PO172(SYSTEM TOO RICH) PLEASE TELL ME WHAT PO304 IS, AND WHAT ELSE CAN IT BE, BECAUSE I DID EVERYTHING I CAN THINK OF. HELP








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    FRUSTRATED S70 1998

    posted by  Axel on  Mon Mar 15 10:42 CST 2004
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    last visit: Mon Mar 12 06:12 CST 2007
    [RELATED]

    this will work in Washington state where they only use
    the OBD II port at the sniffer station.

    go to a shop.. have them clear the codes.
    unhook the battery and then hook it back up and
    drive straight to the sniffer station. They wont be able
    to read any codes (tell them you just had it serviced) so
    they will have to resort to the sniffer test instead of the
    OBD II port check. It has to be running pretty ragged to
    flunk the sniffer test IMHO.
    Oh yeah.. make sure you have your radio reset code before
    unhooking the battery terminal!
    This will get you past the emissions so you can renew your tag..
    then you can try to figure out whats going on.
    --
    vw bus site w/ Volvo section - http://www.geocities.com/vw_bus_74/index.html








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      FRUSTRATED S70 1998

      posted by  someone claiming to be Ray N. on  Tue Mar 16 04:22 CST 2004 [RELATED]

      Similar post on this approach:

      http://www.brickboard.com/AWD/index.htm?id=680931

      I'd be careful with this though. The OBDII system ready codes
      won't be set and you will automatically be failed for that in
      many states (requiring an appeal process to get around it assuming
      the state has an appeal process).

      Getting the ready codes set is a major pain in a Volvo requiring
      an extremely long driving procedure that can take all day (over
      time they reset but if you need them reset quickly it is hard
      to do).







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