Horrid gas mileage!!!!!!

[hoffa89]

wats good cc. im havn this gas problem wit my ls. It uses rediculous amounts of gas like a half tank will b gone in no time, and thats wit me cruisin at 2500. did an oil change changed the plugs new intake im runnin a p72 ecu but that shuldnt matter becuase the ls p75 and p72 run the same injector cycles. So someone plz lmk wat ya'll think.

 

[Kensai]

Have you done an alignment recently and/or checked tire pressure? How old are the carp/rotor/wires? What tranny are you using? Check engine light on?

Could be a number of things depending on your definition of "horrid".

 

[RonJ]

How old are the cap/rotor/wires?
Check engine light on?

^This. And does the CEL work?

 

[ImThaBean]

Yeah. Give a average MPG. I get 28-31 but its all city. I know its not great but I'm almost at a 1/4 mill on the ODO.

 

[spoon egg]

Yeah. Give a average MPG. I get 28-31 but its all city. I know its not great but I'm almost at a 1/4 mill on the ODO.

Not great? I get 16/20 in my lexus sc300 and that's on a good day. Oh how i wish i kept my civic...

 

[CDubs]

i get 18-22 on my wrx...but good luck up with figuring out the problem