I can't figure this car out, I have replaced/fixed all the issues that pop up recently yet my miles per gallon has continued to plummet. I'm currently sitting around 9-10 mpg. So I come to you guys for possible ideas as to why it would/could be so low.
When I bought it a little over a year ago it was averaging 16-17 in the city, and that was with a bad tranny. Now after a new tranny, MAF, and on time tranny fluid and oil changes. The only thing I can think of that still needs to be possible fixed; was when the CEL showed low circuit on the MAF it also showed low circuit on the front O2 sensor, but once the computer reset it self after the MAF install it hasn't thrown anymore codes nor are there any stored.
Few extra details, it's a 1998 XC with 191k on it, it's been changed over to FWD, and the front tires aren't in great shape and probably due for replacement in the next month or so, I do get white smoke/exhaust on startup for a little bit but it has always done that.
Any ideas gentlemen? I am stumped and frustrated.
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