Clean out the Idle Air Control valve and port in the throttle body.
Disconnect the negative battery cable before doing this.
With the IAC installed, jump terminals A and B of the ALDL. You should hear the IAC "buzzing", this noise is the IAC going to the fully closed position, if you do not hear this, the IAC should be replaced.
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Thursday, October 16th, 2008 AT 8:18 AM