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View Full Version : How dose the electronic advance work on my 1984 camaro. Do both vacum


branden s
12-01-2008, 05:43 AM
lines going in to the map sencor have to? have vaccum on them. How do you tell if the map sensor is bad and or the nock sensor is working corectley. If you do have to have vaccum on both sides dose anybody now how much.