Thread: what's missing
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Old 03-27-2001, 05:15 PM
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sixto sixto is online now
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Join Date: Jun 2000
Location: SF Bay Area
Posts: 20,114
Models with KE-Jetronic fuel injection have that hole in the air cleaner. The hole allows access to the idle mixture screw within the mixture control housing. I've never seen one with a cover. I've never thought to check if it allows air inside the filter.

91 300SE
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