MyPGAQuest Posted July 21, 2008 Share Posted July 21, 2008 Hello everyone, I just had a 60k service done a month ago. Before taking it in, the car was running well and was getting good gas mileage. Now after the service, I believe that my idle rpm's are quite high. Since I do not know what is was before, I was wondering what is the average or typical idle rpm's when started and when in drive at a stoplight or something. My current idle after warmup is around 1200 rpm's. When I am driving around and come to a stoplight, it idles around 700 to 800 rpm's. I know that is a lot higher than it was before but I do not know what the normal range is. When I called the place where I got the 60k service done, the first response was that I was using bad gas. I said that everything was great before bringing it to you and only after you serviced my vehicle does my car idle a lot higher and my gas mileage had decreased quite a bit as well. So, now I ask what is the typical so I can go back to him and see what can be done. And, what can I tell him to check and fix or if he won't do anything, what can I do? Thank you, Todd Quote Link to comment Share on other sites More sharing options...
Lash Posted July 21, 2008 Share Posted July 21, 2008 My 98 idles at around 550-600 in gear with AC on. With AC off it drops to around 400. Quote Link to comment Share on other sites More sharing options...
oldskewel Posted July 22, 2008 Share Posted July 22, 2008 My 91 idles very well at 600. 1200 sounds too high. Probably a very easy fix for them to do - I'd take it back and make them fix it. They will know they messed it up. But probably no permanent harm done. Quote Link to comment Share on other sites More sharing options...
01 Ultra Posted July 22, 2008 Share Posted July 22, 2008 My '01 idles at a constant 600 - yours definately shoudn't be @ 1200. Quote Link to comment Share on other sites More sharing options...
jcrome04 Posted July 23, 2008 Share Posted July 23, 2008 That's way too high take it back and have them fix it! My 97 is around 5-600 in gear, 800 when not. (i think) Quote Link to comment Share on other sites More sharing options...
eatingupblacktop Posted July 23, 2008 Share Posted July 23, 2008 Your engine should be idling at ~600-650 rpm. With a/c it should go up to ~800-900. If it's idling at ~1200 then I would have your mechanic check that the IACV isn't disconnected or not functioning. Quote Link to comment Share on other sites More sharing options...
MyPGAQuest Posted July 23, 2008 Author Share Posted July 23, 2008 Thanks for the replies. I will take my care back in now with info that my car does indeed idle higher than normal according to other Lexus owners. Thanks again, Todd Quote Link to comment Share on other sites More sharing options...
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