bazzle Posted January 29, 2018 Share Posted January 29, 2018 I want to change my idle speed when AirCon Not on. ie up by 100rpm. I have the cable but I cant find a section where I can make an adjustment. Reason .. Idle is about 500 Aircon off. Give slightly rough idle. Lift to 600, smooth. Changed and checked plugs etc.so just a tweak needed. Search found similar ex: quote" If my A/C is off my idle is noticeably rougher than when it’s on." Seems to be a common issue but no one raised idle AC off. Quote Link to comment Share on other sites More sharing options...
ilv1004s Posted January 29, 2018 Share Posted January 29, 2018 500 is very low usually sits around teh 600-700 mark do a upper engine clean and TB clean too Quote Link to comment Share on other sites More sharing options...
bazzle Posted January 29, 2018 Author Share Posted January 29, 2018 Lexus service said its normal. Prob closer to 600 than I stated. TB been done. By upper engine clean I assume you mean inlet valves? I dont think mine (350) has that issue. Not really too worried but like to see what I can achieve. When A/C on rises another 100 rpm and smooths out. I found heaps of posts on USA forums with same queries, no real fix., but no one mentioned resetting idle A/C off so that what I was going to try next. Quote Link to comment Share on other sites More sharing options...
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