Subaru P1449: Evaporative Emission Cont. Sys. Air Filter Clog

Is your scanner showing Subaru P1449?
No worries. We'll show you what it means and how to deal with it.

Presented by

Randy Worner

00:00/00:00

Subaru P1449: Evaporative Emission Cont. Sys. Air Filter Clog

OVERVIEW

Severity

Medium

DIY Difficulty Level

Intermediate

Repair Cost

$130-$180

Can I Still Drive?

Yes (Short-term only)

What Does The Subaru P1449 Code Mean?

Detect the drain filter clogging by the pressure change during purge introduction. Judge as drain filter clogging malfunction if the pressure in the evaporative emission system piping suddenly decreases by the purging.

What Are The Potential Causes Of The Subaru P1449 Code?

Drain tube of leak check valve assembly clogged
Hoses between the leak check valve assembly and drain separator clogged
Faulty drain separator
Leak check valve assembly

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> Leak Check Valve Assembly
>>> INNOVA 5210

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Check This Video For Reference

Reference Sources

Technical Service Bulletin 11-123-12 – 2011MY and later Forester
Technical Service Bulletin 18-171-13 for P1449 – 2010-2014MY Forester, 2012-2013MY Impreza, 2010-2013MY Legacy/Outback, 2010-2013MY Tribeca, 2012-2013MY Impreza WRX/STI
Tech Tips for P1449 – 2020 Subaru of America, Inc.

Tagged :