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...the O2-sensor would seem to be the FIRST thing to do because it's malfuntion WILL affect how the engine runs and thus your fuel economy.
...mirrors are safety items, so should be NEXT.
...wheel covers are aerodynamics only, so, should be LAST.
...the economics of the above will certainly "rearrange" their realworld priority, I'm sure.
Last edited by gone-ot; 12-18-2009 at 07:57 PM..
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