The chip would be a waste of money. Look into getting an SCT tuner. There are a couple of companies out there that does remote tuning for the Focus. Do your homework and figure out which one you want to use.
Just bought a 2007 zx5 bone stock with a 5 speed look for possible budget upgrades. Still will be daily driven. 4cyl performance is new to me.
V8 carb I know but with these I'm clueless
Thanks in advance for your help
Looks like my OEM coils are starting to go, Car is breaking up on top,boost pressure drops and AFR goes rich then leans out with accompanying back firing. Car idles fine and runs fine through the mid range. What would be a good replacement option? Car is currently making 386 WHP/365 WTQ on a...
I have a 2015 focus se and I've noticed that with my tune, my mpg is 18.7 at best. Without my tune it shoots up back to normal. I've already contacted my tuner, he suggested a bad o2 sensor. So swapped both out no change and also replaced my plugs for good measure. If any one can shed some light...