'93 Topaz 4-cyl, high idle in park after warmed up

03-21-2010, 01:36 PM
Son's girlfriend's car, after getting off the expressway she parks in the driveway and puts it in park, the engine races to about 3k rpms and stays there until she shuts if off. Throttle doesn't seem to be stuck. After engine cools, all is well. Any ideas? :feedback:

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