OBD2 Scanner Needed Or Not?

hi
i have a nissan altima and on my obd2 system i can gat trouble codes and clear them form the unit itself. all doing it with a screwdriver.
is this possible on my cousins '97 explorer xlt. it has a v6.
the cel light came on when she was driving down the road.
thanks very much in advance.

Yes, you do need the obd2 reader.

Please take into account the thread date when considering posting a response. Chances are pretty good that this thread from 2003 is not still being actively watched.

-Rod