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Why does the engine light come on and go off on your 1999 windstar van?
Wiki User
∙ 14y ago
The engine light comes on when the computer receives information from the various sensors that something is "not normal".
If those bad readings go away - so will the Check Engine light - after a few "drive cycles".
By the way, those bad readings, or Diagnostic Trouble Codes (DTC) are not erased when the light goes off - they can still be read by a scanner.
This is very good information to have in figuring out the *cause* of engine problems.
See "Related Questions" below for more
Wiki User
∙ 14y ago
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