OBD Guide

P1447

Evaporative Emission Control System Purge Flow Monitor

P1447 is an OBD-II diagnostic trouble code meaning: Evaporative Emission Control System Purge Flow Monitor. Common causes: evap purge valve malfunction, evap system leak. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Increased fuel consumption
  • The smell of gasoline in or around the car
  • Unstable engine idling

Causes

  • EVAP purge valve malfunction
  • EVAP system leak
  • Problems with the purge valve wiring harness
  • Clogged or damaged EVAP system lines
  • Fuel tank pressure sensor malfunction

How to Fix

  1. Check the EVAP system for leaks
  2. Check the condition of the EVAP purge valve
  3. Check the electrical circuit of the purge valve
  4. Clear or replace clogged EVAP lines
  5. If necessary, replace the EVAP purge valve

Related codes

Error P1447 by Vehicle Brand

FAQ

What does the P1447 code mean?

P1447 is an OBD-II diagnostic trouble code that indicates: Evaporative Emission Control System Purge Flow Monitor

What causes a P1447 error code?

The most common causes of P1447 include: EVAP purge valve malfunction; EVAP system leak; Problems with the purge valve wiring harness; Clogged or damaged EVAP system lines.

How do I fix a P1447 diagnostic trouble code?

To fix P1447: Check the EVAP system for leaks. Check the condition of the EVAP purge valve. Check the electrical circuit of the purge valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1447?

Yes, but get it checked soon

How much does it cost to fix P1447?

The estimated repair cost for P1447 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat