Nonaof4 Posted April 23, 2020 Share Posted April 23, 2020 I have a 91 Loyale whose check engine light has been on and off for years, it has been on pretty much constant for the last 6 months and I need to smog it. My mechanic can find nothing wrong. Any suggestions or advice. Link to comment Share on other sites More sharing options...
skishop69 Posted April 23, 2020 Share Posted April 23, 2020 Get a new mechanic? If it's on, either codes are stored in which case, we need to know what they are to help, or the ECU is crapped out turning it on, or you have a wiring short keeping it on. 2 Link to comment Share on other sites More sharing options...
DaveT Posted April 24, 2020 Share Posted April 24, 2020 read the codes on the LED under the steering column. You have to remove the plastic panel to see it, through a hole in the ECU. 1 Link to comment Share on other sites More sharing options...
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