my truck smells like it is running rich out the exhaust for some reason. what do you think would make it do that? cat,o2 sensor maybe? its not throwin any codes. and its runnin fine. it just smells like its runnin rich. what would you check or replace? it never smelled that way before. it just turned 60k and i have never replaced the cat or o2 sensors,thats why i am thinkin them.

 

Maybe somone farted?

 

What kind of gas mileage are you getting?

 

10mpg. the same as i have been for a year. since i actually started doin performance mods. thats the overhead anyway, but it hasnt changed. maybe up or down .1.

 

Overhead is never accurate. The only way to accurately check MPGs is the calculator way after a fill-up.

 

i know its not accurate, but to be truthful i really donnt care what kind of mileage i get.

cereal killer...why would you want to know about my mpg's? they havent got any worse if thats what you want to know.

 

Because if you're getting crappy gas mileage then chances are you are running rich due to either a bad front 02 sensor or a clogged catalytic converter.

 

O2 sensor(s). They should be changed ~50,000 miles.

 

thanks guys. i think i will try the 02 sensors. its not going to hurt anything even if thats not it.

what is a good online store to get them from? might even call the stealership and see what they cost.

 

I'm pretty sure you can get them off summit or jegs. The front one is the only one that really matters. Wouldn't bother replacing the rear.