Only if the builder wants the best possible quality installed
If it started flashing after the water pump, it is possible that the timing belt/chain is installed improperly.
A flashing light at night attracts attention to oncoming cars and motorists to alert them that there is a biker present. It is required because especially at night it may be hard to see bikers and the flashing light will definitely help avoid possible accidents.
A flashing over drive off light indicates that a malfunction has been detected with the transmission - get it checked out by a professional as soon as possible
The flashing light is warning you that something is going wrong inside your engine, or steering system, or brakes, or anything else. It can not be safe to drive with any signal light flashing (except, obviously, left and right). You have to bring in your car for a check up as soon as possible.
yess
If the check engine light is flashing a spark plug misfire has been detected - have it scanned for trouble codes to diagnose and repair as soon as possible
The difference between "regular" diving and synchronized diving is the scoring and the athletes. In "regular" diving one diver goes at a time and that one diver is scored based on that one dive. In synchronized diving, TWO people do the SAME DIVE at the SAME TIME to try and be as accurate and identical to each other as possible. The two athletes are then given ONE score for both dives based on their precision and timing.
You need to get out of their way, pulling over to the right, off of the side of the road (if possible) and stopping.
A flashing CEL usually means there is excessive unburned fuel entering the catalytic converter. If you continue to run the engine with the CEL flashing you will destroy the cat. I would be curious to know what all the codes were before and after the cat was changed.
It is possible that the dome light needs to be replaced on the Dodge Neon if the odometer is flashing the word fuse. If the car is also not starting this could be caused by a bad starter or bad battery.
According to the 2003 Ford Expedition owners manual : If your Overdrive Off light is flashing : " have your vehicle serviced as soon as possible otherwise damage to your transmission can occur " ( it might just be a sensor )