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1994 Ford Taurus GL 4dr Sedan

1994 Ford Taurus
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October 1, 2012, 12:51 pm

Sue C
 

Question: Gas mileage dropped from 20 mpg to 11 mpg after fuel pump changed.

Had an auto garage change it and they were paid good money for it. I didn't take it back as 55 hour work weeks conflict with the 30 mile drive to them. The check engine light is not on and everything sounds right. Starts fine, runs fine, just piss poor mileage now. However.... does as great as before on highway. But my in-town driving now is horrid. Drive cross town 5 miles and back 3 days week. other 3 days only drive 2 blocks to and from.


October 5, 2012, 4:43 pm

Elizabeth K
Expert Mechanic

It is unlikely that the fuel pump is causing a problem with the mileage, especially if the performance is not affected. It is more likely that there was a problem existing before the fuel pump got replaced and is now showing up. Have it diagnosed by a reputable shop, and if there is anything implicating the work by the previous garage, you can take your proof to them at that time.

This is a link to a site with some fuel saving information, always good to know:
http://www.fueleconomy.gov/feg/drive.shtml


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