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Old 04-17-2012, 09:59 PM   #9
bluesubie
Scooby Guru
 
Member#: 767
Join Date: Jan 2000
Chapter/Region: Tri-State
Location: N.J.
Vehicle:
04 FXT
20 OB Onyx XT

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Are you sure the O2 sensors were replaced? Are you stock? What fuel have you been using?

You can find various reasons for high fuel with a google search (all mentioned above). The copper is probably from the oil cooler but it's not that bad.

http://www.bobistheoilguy.com/forums...Number=1683097

http://www.bobistheoilguy.com/forums...&Number=255524

-Dennis
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