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2013/09/16

Log 2013091602

2008 Chevy HHR is reading 33.1MPG adverage at 43MPH adverage speed.  I should have recorded the distance as well. But the test was roughly 16 miles long on back county highways. Flat land fuel economy while unhitched is down by 15MPG.
1) The spark plugs still have yet to be changed
2) the oil was changed, but still dirty from using the same filter
3) air filter still has yet to be changed
4) there could be a problem with the rear drum brake allignment?
5) the roof rack could be causing this much resistance?

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