Originally Posted by Sbui
I'm tune with Cobb ap
Have you contacted Cobb about the bad mpg ?
When I was on Cobb's tune I got good mpg.
Something is not right.
Or contact my Tuner.
174,000+ miles, 5/20/12 new ej257 short block, 8/20/11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. Also CHECK YOUR OIL, these cars use it.