Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 89 GM throttle body low vaccum on front ports of Throttle body
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Old 02-02-2012, 07:35 PM
martee373 martee373 is offline
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no its not backfiring and the timing is set dead on. i checked and cleaned the egr a while back but i think i will take it off again tomorrow, something might have happened during the engine swap but it would have to be stuck open becuase there isn't enough vaccum coming off the throttle body for the computer to open it correctly
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