Vacuum leak or IAC (idle air control) valve stuck/sticking.
Check out www.fueleconomy.gov
Check it twice
Check out www.fueleconomy.gov
Should be a drain plug in the bottom of transmission Should be a fill-check plug in the side of transmission
Check out www.fueleconomy.gov
The check engine light comes on when a malfunction with the emission control system has been detected - if the light stays on ( and doesn't correct itself ) have the Ranger scanned for trouble codes to diagnose and then repair the malfunction
A check engine light means you have a possible problem with the emission system , you should get the Ranger scanned for trouble codes to diagnose and repair the problem . Once the problem has been repaired the check engine light can be reset.
Check your coolant level in the radiator as well as the overflow reservoir. Believe it or not, I had the same problem yesterday. This should fix your problem.
Manufacturer's Web site
should but check with junk yard they have the book
Should be a plug at the side of transmission - fill to this level
Disconnect the battery, reconnect and try it.