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Nick_V · 10-14-2012, 11:22 AM

My first guess would be intake manifold gaskets. Try spraying some carb cleaner around them with the car running and see if the idle changes. Also check your intake boot and all vacuum lines for cracks/leaks.

10-14-2012, 11:22 AM	#2
Nick_V 6th Gear Member Join Date: Feb 2009 Location: Hamilton Posts: 1,207 Car: E34iT, E30i	My first guess would be intake manifold gaskets. Try spraying some carb cleaner around them with the car running and see if the idle changes. Also check your intake boot and all vacuum lines for cracks/leaks.