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Home >> Audi >> 1988 >> 80 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> BOSCH Cis MOTRONIC System >> Operation >> Ecu Controlled Components >> Canister Shutoff Solenoid
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Canister Shutoff Solenoid

Shutoff solenoid valve is de-energized when engine is turned off. This closes purge line between carbon canister and intake, preventing fuel vapors from collecting in intake system.

When engine is started, canister shutoff solenoid is energized, allowing stored vapors to be purged from canister. Canister shutoff solenoid is located on top of carbon canister.