Nothing is affected driveability wise. Just turns on. MPG is still good, drives good, no miss, etc. Usually turns on when it's warm outside (70*+). What could it be? It's just bothering me.

EDIT: Isn't there a way to self read codes? Someone mind giving me a step-by-step of this? Pictures?

 

check your fuses. mine did the same thing when my a.i.r. fuse blew.

 

Step by step for reading the codes on your 1994:

Obtain scanner

Read codes

No more guessing