Check engine comes on once in a while

[expolife]

I just bought a 1993 Ford explorer 4.0 v6 and the check engine light pops up every now and then and I dont no what is causing it . Im not leaking oil , not over heating, don't hear any odd sounds, Im wondering if its the oxygen senor
feel free for anyone to leave a comment.

 

[swshawaii]

http://www.explorerforum.com/forums/showthread.php?t=255962