P1447 Code - Evaporative Emission Control System Purge Flow Monitor
Quick Answer
In this evaporative emission (EVAP) control system, purge flow occurs during non-closed throttle conditions. Common causes include EVAP canister purge volume control solenoid valve stuck closed, EVAP control system pressure sensor and the circuit, Loose, disconnected or improper connection of rubber tube. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1447 indicates Evaporative Emission Control System Purge Flow Monitor.
- Common causes
- Common causes include EVAP canister purge volume control solenoid valve stuck closed, EVAP control system pressure sensor and the circuit, Loose, disconnected or improper connection of rubber tube.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1447 Description
What are the Possible Causes of the DTC P1447?
- EVAP canister purge volume control solenoid valve stuck closed
- EVAP control system pressure sensor and the circuit
- Loose, disconnected or improper connection of rubber tube
- Blocked rubber tube
- Cracked EVAP canister
- EVAP canister purge volume control solenoid valve circuit
- Closed throttle position switch
- Blocked purge port
- Closed throttle position switch
How to Fix the DTC P1447?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1447 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P1447 code?
Need more information on how to fix the P1447 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1447 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P1447 Audi — Catalyst Temperature Circuit Open/Short to B+
- P1447 BMW — Diagnostic Module Tank Leakage Pump Too High During Switching
- P1447 Honda — Battery Module Deterioration
- P1447 Infiniti — Evaporative Emission Control System Purge Flow Monitor
- P1447 KIA — Leak Detection Module Solenoid Valve Circuit Malfunction
- P1447 MINI — Diagnostic Module Tank Leakage Pump Too High During Switching
- P1447 Nissan — Evaporative Emission Control System Purge Flow Monitor
- P1447 Subaru — Fuel Tank Sensor Control Valve Circuit High
- P1447 Volkswagen — Catalyst Temperature Circuit Open/Short to B+
Frequently Asked Questions about P1447 Code
What does OBD-II code P1447 mean?
Code P1447 indicates an issue with the Evaporative Emission Control System Purge Flow Monitor, suggesting a problem with the purge flow or the system's ability to regulate fuel vapors.
What are the common symptoms of code P1447?
Symptoms may include the Check Engine Light turning on, decreased fuel efficiency, rough idling, or a noticeable fuel smell near the vehicle.
What causes code P1447 to appear?
Possible causes include a faulty purge valve, clogged or damaged EVAP system hoses, a malfunctioning vent solenoid, or issues with the EVAP system sensor.
Can code P1447 affect vehicle performance?
Yes, it can cause rough idling, reduced fuel efficiency, or difficulty starting the vehicle due to improper fuel vapor management.
How is code P1447 diagnosed?
A mechanic will use a scan tool to confirm the code and inspect the purge valve, EVAP hoses, and vent solenoid for leaks, blockages, or damage.
Can I drive my car with code P1447?
You can drive with this code, but it’s recommended to address it promptly, as it may lead to higher emissions or fuel efficiency issues over time.
How do you fix code P1447?
Common repairs include replacing the purge valve, clearing blockages in EVAP hoses, repairing system leaks, or replacing faulty sensors.
How much does it cost to fix code P1447?
Repair costs vary depending on the issue, ranging from $100 to $400 for parts and labor, depending on the vehicle and specific problem.
What tools are needed to fix code P1447?
Basic tools include an OBD-II scanner, a multimeter, and standard automotive tools for inspecting and replacing components in the EVAP system.
Does code P1447 affect emissions testing?
Yes, if the EVAP system is not functioning properly, your vehicle may fail an emissions test due to excessive fuel vapor emissions.
Discuss the causes and fixes for P1447 OBDII Code
Code P1447 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
