1999 Ford Explorer

Tiny
TAP073
  • MEMBER
  • 1999 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
I would like to know what wold be causing the o/d light to be turing itself on by itself while driving. Does not happen all the time. Also, the check engine light will come on, was told could be due to air getting in by the cap, have replaced the cap, bt still comes on at times but will turn off when cap is taken off and put back on. Wait a few days light goes ot, but comes back on after a few days.
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Wednesday, January 20th, 2010 AT 12:20 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
First, the light comes on when there is a sensor or other electrical component or emission system problem. Have you had the computer scanned? That is where I would start. The vehicle speed sensor may be bad cauising the OD light to flash, and the check engine light may come on as a result. Have the computer scanned to see what codes are listed. Most parts stores will do it for free.

Let me know what you find.
Joe
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Wednesday, January 20th, 2010 AT 10:43 AM

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