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When i start the car it revs up to 2000 rpms or sruggles at around 200 or 300 rpms. After it warms up the problem seems to go away. Their is no check engine light on.
Re: When i start the car it revs up to 2000 rpms or...
You have a vacume leak, and once the temp sensor starts to read after the warm up the ecm starts to control. I would also check IAC idle air control valve.
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You need to check the engine for a vacuum leak, use a spray can of carb spray and lightly spray around engine (do not get on paint finish) when you hit a leak the engine idle will change
Cars are design to run at a higher idle at start up to warm them up quick. There is a sensor that reads water temperature and tells your car's computer how fast to idle. Your RPMs seem slightly high but not out of the norm. Does idle ever drop to around 600/800 after about a minute? If not, your engine temperature sensor maybe defective.
your idle position sensor could be bad. if it reads incorrectly, then it can randomly adjust to a higher idle like when you cold crank and let it warm up.
I had the exact same problem on my 04 GC. I put some Techron Concentrate Plus Fuel System Cleaner in from Wal-Mart and it seemed to fix the problems right away. Let me know.
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