When I start my car first time a day, it idles around 1200 rpm. As I start driving, it increased to 1500-1800 rpm. After around 5-10 minutes engine warms up (see on the on cluster panel) the idle doesn't go down to 800 rpm and stays around 1500-2000 rpm.
So I have to stop the engine and start engine again then the idle
goes to 800 rpm.
I had it scanned to a local garage and they say there is no fault code coming up, so it might be problem with a rotary idle air control valve.
But as per my experience & understanding of driving car, when you start a car first time after the engine is cold it will revs high but after engine will warm up it should be settled it-self. With my car it is not happening but when I switched off /on engine when the car is already warm up then the idle speed works ok.
Can you put some lights on this and advise what could be problem.
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Friday, November 9th, 2012 AT 10:26 AM
