hey all, in the past week or so since i bought my monte i've noticed she is quite the gas hog. I get maybe 2 days of running around town before i've consumed a half tank. I just recently changed my horribly yellow and dirty air filter hoping that is some of the problem. It has 135k miles on it, i'll be sea foaming it soon. Anyone have any ideas as to why i might be consuming so much gas? I'm also pretty sure there are no gas leaks anywhere

 

In my 04, I have noticed that I dont get that great of MPG, but on the highway I can get 30-32 MPG. I guess its just the nature of the beast

 

i had mine on a highway trip last week and it still sucked gas