Something is wrong with the EGR valve and needs to be checked out.
There could be several reasons for the check engine light to come on. You can take it to Advance Auto Parts or Autozone and if the check engine light is on they will hook it to their computer and tell you exactly what the problem is for free.
Take it to Autozone (or your local parts store) and they will connect the scan tool to your truck, then you will press reset.
take it to the autozone they check the engine light for free
if your take it to a autozone tell them you have a check engine light and they will tell you whats wrong if anything and reset it take it to autozone and tell them your check engine light is on and they should reset it
get a trouble code tester, autozone will check your car for free
With scan tool, go to Autozone and they will do it for free.
and what code does the check engine light say ? go by autozone they will check it for free and get the code.
take it to autozone and have it scanned
go to autozone to ask to check your codes
The check engine light on a 1999 Ford Ranger is between the full mark of the gas gauge and the left turn signal arrow
Go to AutoZone and ask one of the fellas to come out and "check your check engine light code". They will be able to tell you what the problem code is, as well as re-set your check engine light.
Go to Autozone and have them do a free check engine diagnostic. My 1999 had that problem. It is probably an EGR valve problem. Its a simple fix and helps with fuel efficency.