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Old 02-01-2012, 09:24 PM   #2
tackepj
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Join Date: Nov 2004
Location: Seven Valleys, PA
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2008 Astra XE
Default Re: 2007 vue greenline 98000 miles P0121 code

Weird, not sure. We also had the throttle body cleaned a while ago at the dealer due to a code, and had no issues since. We hardly ever run on cruise since we don't do much highway driving, and even then it seems to negatively affect the mileage.

How much tach fluctuation are you seeing? Tranny staying in gear?
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Former: 2005 L300, 2007 VUE Green Line
Current: 2008 Astra XE
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