Quote Originally Posted by Fivefingerdeathpunch View Post
try bleeding the coolant system. It sounds like there is still a bunch of air in it and thats causing it to run hot.

As for fuel mileage, since the air filter and plugs and wires were done. I want you to try and clean the MAF with maf cleaner and I would prolly change the front o2 sensor.
o2 sensors ain't cheap. clean the MAF first. since you've been having a mechanic do work, here's what you do.

Buy:



Get access to the object on the far right with wires going to it



and spray according to direction on can.

Note: take it out of the car, don't spray it into your intake lol