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HotRod Wagon poor idle/hesitation..... 700 1992

posted by  Gina67 on  Tue Oct 24 06:08 CST 2006
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last visit: Wed Nov 7 08:57 CST 2007
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Hello all. Back again with some questions (and additional information) regarding my rough-running 740 wagon. The car ran fine and then all of the sudden would not start. Turned out to be an RPM sensor which I replaced. Now it starts, but won't run right. It has problems idling, and hesitates - tach does not drop. Figured out how to pull codes and got 233 (idle valve closed) and 221 (O2 sensor not operating). Any suggestions on where to go from here? This is a new vehicle for me, and my first Volvo, so I'm still learning where everything is - about to research the location of the O2 sensor so I can visually check it. Thanks!






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New HotRod Wagon poor idle/hesitation..... [700][1992]
posted by  Gina67  on Tue Oct 24 06:08 CST 2006 >


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