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P1451 - EVAP Control System Canister Vent Solenoid Circuit Malfunction

Possible causes
- Faulty Canister Vent Solenoid
- Canister Vent Solenoid harness is open or shorted
- Canister Vent Solenoid electrical circuit poor connection
- Faulty Powertrain Control Module (PCM)
What does this mean? What does this mean?
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1451 Description

The Powertrain Control Module (PCM) monitors the Canister Vent (CV) solenoid circuit for an electrical failure. The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified canister vent duty cycle by PCM command.

P1451 Information for specific makes
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