The computer that controls the component cannot do what it wants to do so it signals you to give it attention get it diagnosied by an ASE trained experianced tech
If the check engine light is blinking that indicates an engine cylinder misfire has been detected
When the O/D off light blinks that is indicating that a malfunction has been detected - get it checked out
without it the security lite will start blinking fast and the motor will only spin over but not crank
how do I reset my service engine light on my 1999 ford f150
You're screwed
It probably means that one of your head or tail lights is about to go out. I have a Ford Taurus and my right blinker started blinking very quickly and within a week, my right headlight was out.
If it has been switched off - the O / D - OFF light should light in the instrument cluster
If your check engine light is blinking with the engine running that is indicating a misfire - get your vehicle scanned for any trouble codes to diagnose and then repair the problem
Something has happen to the transmission. Had the same problem when pulling a heavier trailer, after the road levelled out, the light would go out. Check Transmission at dealer.
14 mpg
If your check engine light blinks with the engine running it means that a misfire has been detected . Your F150 needs to be scanned for trouble codes in order to diagnose which cylinder or cylinders are misfiring and then repaired
If the check engine light is blinking with the engine running , a spark plug misfire has been detected - get it scanned for trouble codes in order to diagnose and then repair the problem as soon as possible . If you don't , and continue driving with the check engine light blinking , you risk damaging your catalytic converter