+18 2012 F150 Ecoboost Flashing Check Engine Light References. Vct solenoid valve stuck open. The light only stayed on for about 10 seconds before turning back off.

Web if your ford f150 has a flashing check engine light means that there is a catalyst damaging misfire (it can damage the catalytic converter and o2 sensors). Web the flashing light often indicates a misfire, which can cause damage to the catalytic converter. Web answered in 26 minutes by: