Question about 1999 Dodge Durango

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RPM's was at 1500 but when put cleaner inside where the throttle opens for air it jumped to 2500 RPM's.I put a new throttle sensor on it which solved one problem but not the RPM's running high.

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A couple of things might have happened. One you may have a vacuum line off. A loose, broken or missing vacuum line will cause a increase in RPM's.
The other possibility is that while you were cleaning the Venturi some of the debris got lodged in the Idle air controller. The idle air control sits generally along side or on the opposite side of the TPS and controls the idle at low RPM's. If some of the gunk from the venturi was sucked into the idle air controller this too would cause your problem. You can remove the IAC and clean it with carb cleaner, however be very careful when disassembling it as not to loose the small spring inside. When you take is apart look very carefully for very tiny debris. The use of a air compressor and a small amount of air is good to clean the very small ports and insure you have a clean IAC. Also look closely at the needle and seat in the IAC to make sure that you have a good seat.

Posted on Jul 30, 2010

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Sounds like the idle air control motor is stuck , might be able to remove and clean but will most likely need replacing.

Posted on Jul 30, 2010

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