Depends on your definition of safe.
It is safe to drive you car for at least one mile after the check engine light comes on.
A used car engine is safe if it was worked on by a certified professional. That way you know you will get quality added to the engine for optimal performance.
It really depends on what the cause of the check engine light is.
My steering wheel was shakey and worse when I hit my brakes. If this is your situation, it's alright to drive, but you need to have your rotors turned. They tend to warp when they're hot and the water from the rain hits them over a period of time.
yes it is but you need to get it fixed . it could cause damage to your engine
you cant drive your car if you have hole in your engine because your engine is a propeller for your car.
It will be safe to drive short distance as long as the car does not over heat. You can top up the engine coolant or use water/coolant mixture till you fix the problem which could be leaking hose pipe. leaking radiator or faulty radiator cap
it is safe to drive slower because you could get in a car accident if you drive really fast
NO! Depends on your definition of safe?
You can drive a car with a cracked engine block, but it will eventually stop running. The engine will go out completely after time.
The driver is responsible for the condition of the car and the safety of passengers. It it is not safe to drive, don't.
Depending on how bad the mount is. It may be safe but should be replaced as soon as possible to prevent any damage to the moving parts on the engine.