So i had my timin belt changed and i noticed that my car idles at higher rpms then it used to from below 1k to a little above 1k any reasons why? Thanks. 2002 lexus es300
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Look it over and see if you have a vacuum leak from a knocked off hose or cracked fitting. Fast way to do that would be to take a can of carb cleaner and start with a cold engine. Start it and spray the cleaner around the engine bay and hoses. RPM suddenly changes, you are in the area of the leak.