drastic mileage drop

Harrywalpole

New Member
I had the timing belt changed after 150K (BAD),and tuneup and my mileage has dropped from 17mpg to 12 mpg city driving. anything jumps off the paper?
2004 Tacoma, 6 cylinder SR5
 
I had the timing belt changed after 150K (BAD),and tuneup and my mileage has dropped from 17mpg to 12 mpg city driving. anything jumps off the paper?
2004 Tacoma, 6 cylinder SR5
Id bring it back to whoever did it because something is wrong, does it sound like its dropped a cylinder?
 
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