Okay, that noise is normal for the idle control.
I would suggest replacing the ignition module in the distributor. That was a common failure for these back in the day.
I attached a picture of the location.
Roy
REMOVE OR DISCONNECT
1. Remove distributor cap and rotor.
2. Remove two module attaching screws.
3. Lift up module and stamped metal shield, if equipped.
4. Disconnect leads from module. Observe color code on leads as these cannot be interchanged.
5. Remove module.
NOTE: Be sure there is a sufficient amount of silicone grease on the metal face of the module and on the distributor base (where the module seats), when reinstalling the module. The purpose of the silicone grease is to cool the module.
INSTALL OR CONNECT
1. Install module.
2. Connect leads to module.
3. Install module shield, if equipped, and module attaching screws.
4. Install cap and rotor.
Images (Click to make bigger)
Friday, August 21st, 2020 AT 3:54 AM