How do you reset the check engine light on a 2000 Ford F-150?
How do you reset the check engine light on a 2000 Ford F-150? Disconnect the positive battery cable for 15-20 minutes. Reconnect and turn the truck "on" and "off" and then start the engine. If these methods fail, keep in mind, the CEL warning is indicating there's an issue with the transmission, O2 sensors or spark plugs and get the F-150 diagnosed immediately. Why does my check engine light go on in my Ford F-150? : Ford F-150 5.4 L ^ hp Gas Discover some tricks to resolve this problem! Check engine lights go on when there is a problem...