+18 Check Engine Light On 2012 Ford Focus 2023. This flashing light usually hints a exacting engine misfire allowing unburned fuel to be deposited into the exhaust system. While auto parts stores will typically read your codes for free, they will not reset the light for you, and shops may charge more than $100 to do this.

Turn on the scanner if it does not power up automatically. Click here to get check engine light information for your 2012 ford focus. Web the easiest way to reset the check engine light on your focus is with fixd.