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Old 09-13-2001, 08:51 PM
Arthur Dalton Arthur Dalton is offline
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Join Date: Aug 1999
Location: Florida / N.H.
Posts: 8,784
This part is the Purge Switch-Over Valve.
It is controlled by the engine ECU .
When energized, it draws fuel vapors from the charcoal canister
into the intake for burning.
Part of the emission system and it will bring up a code 21 on your Led/sw diagnostic socket next to the battery when it fails to operate.
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