List Of Clear Check Engine Light Ford Flex References. The spark plugs need to be changed every 100,000 miles or so unless it's a copper one. If you don’t have one, we recommend checking out some of the best obd2 scanners to purchase because this is going to be the easiest method.
To turn off the codes with your scanner, follow. This blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system. Scan tool works best i've found.
