Thread: 83 300sd rpms drop with a/c on, rough idling
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Old 08-17-1999, 09:27 PM
Benzmac Benzmac is offline
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Join Date: Mar 1999
Location: Suwanee, GA, USA
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Make sure the aux fan is working. If the fuse is blown and the aux fan does not come on, the pressures can be way high and cause the sluggish engine.

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