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P0446 is evap canister shutoff valve (function) below limit. Possible causes purge air line blocked
Evap canister purge valve stuck in open position
Evap canister shutoff valve stuck in open position or blocked
Flow in evap canister too high (filter deformed blocked)
Pressure sensor connected incorrectly (polarity reversed)
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2003 S manual
Last edited by Jamesp; 05-23-2018 at 12:40 PM.
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