One problem related to check engine light on has been reported for the 1996 Chevrolet S10. The most recently reported issues are listed below.
Consumer states while driving the check engine light came on, the transmission fluid was changed and oil was changed, and for awhile the light went off, until October 1, 2001 the engine light has come on again the vehicle was put on a machine an a code of 1103 appeared the dealer was called and stated there is no such code, ppossible engine problems, but as of now no one knows what the problem is.