If the check engine light is coming on periodically when hitting a bump in a 1995 Ford Taurus, perhaps a sensor is loose. Check both the oxygen sensors and the speed sensors on the transmission. Also check all sensors in the engine to make sure they are tight.
Same as any engine. If your gear shift is moving as well it will possibly be your engine mounts. If its been happening when cornering check your drive shafts.
check the thermostat
An engine cylinder misfire has been detected if your check engine light is flashing on and off
Check the vin number .
If your check engine light is flashing that means an engine cylinder misfire has been detected
Check your sensors.
There is a problem with the emissions system.
My check engine light came on after I hit a pothole. What does this mean?
automatic....engine warm and running while in park, standard, engine off. But this is covered in your owner's manual
Basically, the timing is set and adjusted by the engine computer.
check the front of the engine at the bottom for an electrical plug
11 years of changes... not at all likely to work. Check with a local auto salvage yard or engine rebuilder, but don't expect it to be possible.