kzcafe Posted October 24, 2005 Share Posted October 24, 2005 my 91 legacy 2.2 engine runs great when in idle but when i put into gear it idles really low and shakes alot. Link to comment Share on other sites More sharing options...
nipper Posted October 24, 2005 Share Posted October 24, 2005 SOunds like you have a vaccum leak someplace. Have you fiddled with the engine recently? nipper Link to comment Share on other sites More sharing options...
Legacy777 Posted October 25, 2005 Share Posted October 25, 2005 The car's computer controls the idle via the idle air control valve. The valves can sometimes get sticky with carbon and not respond as smoothly as they should. You can squirt brake cleaner down in there. I would check for vacuum leaks and the normal stuff as well. Link to comment Share on other sites More sharing options...
Dangerdave Posted October 26, 2005 Share Posted October 26, 2005 sorry to hijack, but where is the air control valve located? Specifically on my 93 impreza L? Thanks Link to comment Share on other sites More sharing options...
Legacy777 Posted October 27, 2005 Share Posted October 27, 2005 Should be located in the same place as the first gen legacies http://www.main.experiencetherave.com:8080/subaru/images/injectors/DCP_2470.JPG Link to comment Share on other sites More sharing options...
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