robbm2k Posted December 3, 2011 Report Share Posted December 3, 2011 (edited) My wife's Edge usually averages about 21-21mpg in the city with her normal driving habits. The past month or so her MPG (and when i drive it too) has been around 18mpg. I checked to be sure the tire pressure was correct, added a bottle of fuel system cleaner in one fillup and some ISOheet during the next fillup and it still hasn't improved. The only thing done around the time the MPG dropped was a change in the air filter which was suggested during the most recent oil change. The outside temp has dropped from 50s to the 30s-40s, but that shouldn't cause this kind of drop, should it? Any other thoughts to check? Thanks in advance... Edited December 4, 2011 by robbm2k Quote Link to comment Share on other sites More sharing options...
LaserPony Posted October 29, 2012 Report Share Posted October 29, 2012 they may have changed to winter blend fuel. I know I do not get as good fuel mileage in the winter as I do in the summer. Quote Link to comment Share on other sites More sharing options...
Edgieguy Posted October 29, 2012 Report Share Posted October 29, 2012 I agree. As gas stations begin switching to winter blend fuels, MPG drop Quote Link to comment Share on other sites More sharing options...
c_bova Posted October 29, 2012 Report Share Posted October 29, 2012 that and it takes longer for engines to warm up which uses more fuel and if you are warming your car up before you get in you are wasting more. Quote Link to comment Share on other sites More sharing options...
cmillz1331 Posted October 29, 2012 Report Share Posted October 29, 2012 Also, Edge's are known for averaging around 18 mpg overall. That mpg in the 20s before could have just been a fluke (car computer was off) mine always is...says I get 20 mpg while I only get 18.9 mpg...that may be it also but I do agree with others that the fuel is probably a reason and the engine taking longer to heat up and uses more fuel is another reason Quote Link to comment Share on other sites More sharing options...
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