Hi all, this is my first post.. I have an 02 elantra gt and recently noticed my MPG went from 34.5 to 28/29. I recently changed the timing belt, water pump, and the accessorie belts. Also I started a new job and my car barely warms up before im at work and this happens 3 to 4 times a day. There are no lights on or any other noticable changes. Anyone have any ideas? Thanks!!!

 

Withthe new job, has your driving changed? Such as you were doing more highway and not you are doing more city? Yes, that city driving (and short trips) will lower fuel economy.

 

Concentrate ! Less going home during the day. Put your back into the new job= pay increase= less worry about fuel costs.

 

Yes I was driving a steady 50 mph for a half hour before, now like I said my car doesn't even warm up and im at work. Must be the cause....