Possible causes for the idle to be in the 1100 to 1900rpm range? Thank you. on 2002 Ford Taurus

The car had a dieing issue,supposedly the crank sensor.That's been replaced.The ignition module changed(so the manifold has been off-this latest issue since the manifold was off.I don't know if it's related,or something connected to the first problem.

by in Huntington, NY on July 17, 2012
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1 answer
ANSWER by , July 19, 2012
Check all vacuum hoses .test the idle air control motor.Any codes? Brake booster check valve/hose hooked up?