ir you mean the overdrive light there is a problem with the transmission It's the speed control. It's a part that looks like a small transmission connected to the Power Steering. it's the electrical parts that are bad. Hello, First your letter D is flashing because its your VSS (Vehicle Speed Sensor) that is bad, you have to replace it. All early 90's Legends go thru that the VSS tends to fail its just a defect they have you will also notice rpm idle changes then your mph or rpm needle will stop or jump up and down then your odometer will stop too! and when your check engine lights on that means its really serious now you better get that fixed before your tranny goes out busted too! their about $150 bucks at the auto parts if you know a little mechanic you can do it yourself its not that hard its right next to the oil filter.
The check engine light comes on for numerous faults found by the computer. You will have to have the code pulled to find out why it is flashing. Most auto parts stores will do this at no cost.
Transmission problem. Take it to a professional for repair.
Check the 91 Legend for a bad knock sensor. Check the timing for proper setting, and check for any vacuum leaks.
take it to your mechanic so he can run a diagnostic.
It means the ECU has detected a problem with the emissions system.
When the check engine light is on, the computer sets a fault code. Most auto parts stores will check this code for free and tell you how to fix it.
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.
It is not recommended. A flashing flashing check engine light is an indicator of a catalytic converter damaging misfire.
An engine cylinder misfire has been detected if your check engine light is flashing
A check engine flashing indicates an engine cylinder misfire
An engine cylinder misfire has been detected if your check engine light is flashing on and off
check your coolant levels and radiator if they are ok make sure it doesn't have a blown head gasket which are very common with these years of the acura legend..