EVAP Control System Canister Vent Solenoid Circuit Malfunction
Table of contents
P1451 MERCURY 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)
How do I fix code P1451 MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1451 MERCURY code
The cost of diagnosing the P1451 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
The code indicates that an Evaporative Emission (EVAP) system leak has been detected.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1451 MERCURY 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.