Volvo RWD 900 Forum

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CODE PO422 900 1996

posted by  someone claiming to be marcus on  Sat Dec 26 14:40 CST 2009 [RELATED]

GETTING A CODE PO422 WHEN IDLING AFTER CAR WARMS UP ONLY? NOT HAVING ANY OTHER PROBLEMS WITH RUNNING....VERY SMOOTH IDLE AND GAS MILAGE? WHAT CAN THIS BE..THANKS MARCUS 96 960 WITH 174000








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    CODE PO422 900 1996

    posted by  someone claiming to be stripping 90 on  Sun Dec 27 03:41 CST 2009 [RELATED]

    IT could be a vacuum leak,o2-sensor,electrical contact,to list a few of the possible causes,if you use the bord search at the top page and search po-422 you will find many posts on this subject.
    good luck ,and post back with findin







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