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Discussion Starter · #1 ·
Is there a simple answer for why my idle one day decided to drop about 300 rpm? I checked the screw on the throttle body and it has not moved as I have a locking nut in place. It doesn't appear that I have a vacuum leak anywhere although I will have to reconfirm this. Your help is much appreciated.

Cheers everyone!
 

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Just to make sure about this but did you do anything to the car before you noticed the drop? Just covering all the bases.
 

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Discussion Starter · #3 ·
no I didn't do anything. i came home the night before and parked it and in the morning the idle had dropped.
 
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