djmark7 Posted July 27, 2004 Share Posted July 27, 2004 I bought a 91 Legacy bout 3 years ago, I have NEVER seen the CEL come on, on start or not, it didnt come on when the head gaskets went, nor when the ECM went bad? isnt it sposed to come on sometime? thanx, Mark Link to comment Share on other sites More sharing options...
erhayes Posted July 27, 2004 Share Posted July 27, 2004 My CEL comes on when I turn the ignition key to the first click. Same with batt and alt lights. You could have a bad bulb. Link to comment Share on other sites More sharing options...
Legacy777 Posted July 27, 2004 Share Posted July 27, 2004 Nope......not unless you have a problem, or sensor that throws a weird signal. Unplug the tps or other various sensor with the car running. CEL should come on. Link to comment Share on other sites More sharing options...
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