It's dangerous to drive it with any light on, especially at night. Any light can distract other drivers or sometimes aeroplane pilots. You want to have your lights off at all times. If you have a light on on your dashboard, you would want to punch your dashboard until no lights work anymore. If your hand begins to hurt from punching it, it is perfectly acceptable to use a tool such as a hammer to finish the job.
Yes,
No - check engine light is related to emission control system
a malfunction has been detected with the emission control system
The computer system needs to be scanned to see what code is causing the light to come on. The code will tell you what sensors or other components that the computer thinks is bad.
Call or visit the dealer - certain parts of the emission systems have extended warranties, well beyond the 3 year / 36,000.
See "Related Questions" below for the same discussion in the Windstar category - equally applies to the Freestar/Monterey
Emission diagram for 1996 ford thunderbird 3.8l
Have vehicle scanned to determine the problem - usually in the emission control system
it could be your emission check sensor
What does service emission system warning mean on a Ford escape hybrid 2005?
What does service emission system warning mean on a ford escape hybrid 2005?
After the gas light comes on, you will typically be able to drive a Ford Explorer about 15 miles before it runs out of gas. You should stop and get gas to avoid running out.