imfauxreal Posted August 12, 2006 Share Posted August 12, 2006 What should I fix/replace when my 1992 sc300 every morning idles unstable till it reach my engine temp to half then it goes normal. Quote Link to comment Share on other sites More sharing options...
jzz30 Posted August 12, 2006 Share Posted August 12, 2006 it could be the IAC (idle air control), temp sensor, mass air flow, dirty injectors etc... Quote Link to comment Share on other sites More sharing options...
SKperformance Posted August 12, 2006 Share Posted August 12, 2006 What is your maintance history. http://us.lexusownersclub.com/forums/index...t=0#entry198695 Quote Link to comment Share on other sites More sharing options...
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