[hatchesrock1989]

hey i have a cel on my 2007 ford focus 2.0 11,3k miles
i got the light after installing my cai reset the battery and the cel went away for a week then came back on reset the battery today the cel went away then later turned on would i need a tune to get rid of this cel becuase my car runs great and i believe its the intake i also have an exhaust

 

[iminhell]

What is the CEL for?
Stop by an Autozone, O'Reillys or other parts store and have it read for free and post back.

 

[SVT_BMXer]

Have it read, it's impossible to tell without a code.