Evaporative Emission Vent Valve Solenoid Malfunction
Table of contents
P0449 PONTIAC Possible Causes
- Vacuum leaks, damaged hoses or improper routing
- EVAP system Check fuel cap, canister, valves or components
- Faulty purge or vent solenoids
- Check connector and wiring
- Fuel saturated vapor canister
- Failed EVAP vent solenoid
How do I fix code P0449 PONTIAC?
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 P0449 PONTIAC code
The cost of diagnosing the P0449 PONTIAC 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 Engine Control Module (ECM) has determined that a malfunction exists in the electrical circuit for the vent valve/solenoid in the evaporative emission control system.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0449 PONTIAC Description
The Engine Control Module (ECM) monitors the Evaporative Emission System (EVAP) Vent Valve/Solenoid system wiring for opens or shorts. The ECM sets the OBDII code when EVAP Vent Valve/Solenoid is not to factory specifications.