charm Posted October 4, 2004 Share Posted October 4, 2004 My '97 impreza 2.2L outback has a strange problem. When I take it to the mountains, winter or summer, over 4000 feet, the check engine light comes on. When I return to the lowlands and drive around for a couple of weeks, the check engine light turns off. Any ideas? Link to comment Share on other sites More sharing options...
Legacy777 Posted October 4, 2004 Share Posted October 4, 2004 Have you had the codes pulled to see what code the ECU was actually throwing? It might be a barometric sensor....but I'd have the codes pulled to check. Autozone will do it for free. Link to comment Share on other sites More sharing options...
charm Posted October 4, 2004 Author Share Posted October 4, 2004 I've been lazy and have not had the codes checked. I was sorta hoping that somebody would just tell me it was the widget. I'll have the codes checked and report back when done Link to comment Share on other sites More sharing options...
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