check your gauges first is it running hot ? is the oil pressure ok ? if the engine seems to be running fine then it could be a bad ground theres alot of things that could cause this but those are the easyest to determine
Take your 2002 Ford Ranger to the garage to get the engine checked.
The check engine light on a 1999 Ford Ranger is between the full mark of the gas gauge and the left turn signal arrow
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.
If the check engine light stays on , a malfunction with the emission control system has been detected , have your Ranger scanned for any trouble codes to diagnose and then repair the malfunction
huh?
Check out www.fueleconomy.gov
A flashing check engine light means an engine cylinder misfire has been detected
have you tried pulling the EFI fuse
Check
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Check the fuel pressure.
On a 2002 Ford Ranger : The check " gage " light comes on if : The engine coolant temperature is TOO HIGH The engine oil pressure is TOO LOW or The fuel gauge is at or near empty