MasnarT

OK, 5 months ago I got 18-22 mpg, I just had a cat replaced but it still
smells like a perm out the exhaust and now Im around 8-10 mpg. The car seems
to run like crap when it is cold and then a little better when warm, With cutout
open. I know it prob sounds like plugs,o2,filter but could it fall that much that fast, New Cam,heads,Intake this spring should I just wait or Will it cause more problems? Any Ideas?

Tainted

iTrader: (9)

wow lol youre lucky. i get 180 miles to a tank

MasnarT

Yeah its not good Im getting like 120 miles on a tank and I dont hot Rod it!

taintedmeat

iTrader: (1)

Is your SES light on?

MasnarT

IT came On For Having a Bad Cat, But It Is Off Now And I Replaced The Cat. I Do Realize That A Bad Cat Is From Something Else Not Working Right.....

ChocoTaco369

sounds like you need new O2 sensors.

bjamick

iTrader: (31)

i think choco nailed it on the head. this sounds like a o2 sensor has went out good time for long tubes now

jmm98LS1

iTrader: (28)

You just answered your own question. Do the normal routine maintenance like plugs, o2's, fuel filter, air filter, clean MAF snesor, maybe seafoam the topend. Could be a dirty/clogged injector as well.