Flashing overdrive light, or one that goes out and won't come back on means you need to have your transmission checked. I believe in a 99 they have a computer hook up they can use to see if they can figure out what is wrong with the transmission.
A malfunction has been detected
That indicates that a malfunction has been detected
blinking overdrive light indicates a transmission problem. take car to a transmission mechanic
overdrive light keeps flashing
The overdrive off light flashing - indicates a malfunction has been detected
When the check engine light is flashing , it means that an ignition misfire has been detected
Because you turn on the light
Usually a flashing Overdrive light on any Ford with an Automatic Overdrive is a sign of an internal failure. Seek the assistance of a qualified mechanic or transmission repair shop.
what will fix the overdrive light from flashing in a 1996 mercury grand marquis its a gear ratio problem between 1 and 2 shift
The check engine light is flashing due to a problem with the emission system. I flashing check engine light usually indicates a random engine misfire.
because it doesnt like you guys
If the check engine light is flashing that indicates an engine cylinder misfire has been detected