Horrible gas mileage. Solution, anyone?

Asked by Apr 02, 2014 at 09:20 PM about the 2005 Ford Taurus SE

Question type: Maintenance & Repair

Two months ago, my mileage started gradually dropping. From 19.7, it dropped to 16.1-
14.00 mpg. I added some fuel injector cleaner and also put air in the tires. It helped, but
only temporarily. Last week, my starter stopped working, so I had it replaced. Also, I
replaced the battery because I suspected that it was faulty too. When this didnt help
either, I asked around and they said that I should have the upstream O2 sensors
replaced. Well, I had them replaced yesterday, and I am waiting for the results. So far
everything is the same, in terms of the excessive gas mileage. I dont know what's wrong
now. Thank you in advance!

1 Answer

109,985

Try putting in some Techron fuel additive every other tank, I went from 13.4 to 16.8 in my V8. I put it in every other tank and the mileage stayed right at 16

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