IMO, it sounds like the O2 sensor. You can replace all the O2 sensors inexpensively if you maintain the connectors you have and do some light resoldering on a generic unit, do a search in here and you will see what I mean; I think the generics are for VW's not sure on that one.
Last edited by eightsandaces; 10-13-2009 at 12:57 PM.
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