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which sensor is right next to the map sensor. it has a vaccum port coming off of it. Where did u guys run the vacuum port to. mine is exposed.
any help would be greatly appreciated.
 

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Purge valve - it goes to the canister. The plastic fitting on the end has a habit of breaking off easily. The ECU opens it under certain running conditions to suck gas vapor from the charcol canister into the engine. It is not vital for the operation of the engine, but it does no harm so I always leave the purge valve alone. If it is disconnected then eventually you get a check engine light (but not always for some reason).
 

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