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Old 10-01-2012, 02:23 PM   #28
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Join Date: Nov 2011
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Location: Belvidere, IL
What I Drive: 2003 Pitch Black ZTS Sedan

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Originally Posted by VEGAS View Post
Of course its a Automatic, his wife drives it :D j/k

I think its the wheel bearings getting old, they drag a bit more and with our automatics its another loss.. Automatics loose efficiency compared to the manuals when they get around 100k miles.. , yes I own both a manual and auto and I see a HUGE difference. You should be getting mid 20s even when car is not running optimal.. I would remove the tires, check for drag on spindals.

I have gotten in to the habit of popping into neutral when I slow down... lowers RPM of engine faster then leaving it in gear and car seems to stop JUST a touch faster, also less drag at a stop on motor.. I see 2 or 3 mpg difference.
I will remove the tires and check for drag on the spindals. I assume I just jack up one side and spin the tire to see if any dragging, similar to brake drag or caliper sticking? And I assume I do this for all four sides, correct?

Overall, you are right, we should be getting AT A MINIMUM low 20s in MPG.
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