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2009 traverse code po449

Engine light stays on

Posted by Anonymous on

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

  • 1608 Answers

SOURCE: check engine light on 2004 GMC Yukon XL

Code po449 is the canister vent valve solenoid error.This is a common problem with these valves because they are under the truck in the rear by the spare tire and they get all the dirt and water and snow,if you live in an area where you get snow.You will find it on the canister under the vehicle by the spare tire.

Posted on Nov 18, 2009

  • 41 Answers

SOURCE: 2009 Chevy Traverse with 3800 on it, w/ low coolant

good question with it being a 2009 i'd ask chevy

Posted on Apr 05, 2010

SOURCE: check engine light came on

I do not have the PO449 code,but it is in with
the EVAP System codes
You will need professional help with EVAP Leaks,
only because they are so small, and there are a lot
of components in the system
So an EVAP Smoke Machine is used to find them.
It is about $1100 piece of equip. Fairly cheap and
fast at finding your problems.
Also a scanner may be necessary to actuate components
That is 9 grand plus 2 g for software.

No one ever puts a machine or computer on your vehicle,ever.
What is used, is a code reader or scan tool,to look at your
vehicles ECM or PCM. Your vehicle, is more of an assortment
of processors,than computers.

Posted on Dec 04, 2010

  • 400 Answers

SOURCE: replaced purge solenoid po449 code

P0449 is a fault with the vent solenoid at the rear near the gas tank, not a fault for the purge solenoid, which is under the hood.

Posted on Apr 05, 2011

  • 1201 Answers

SOURCE: engine light is on code

That's an Evap Emission Control System Vent Valve/Solenoid Circuit.
The vent valve for the emission control system is not working.
Usually it is mounted on the charcoal canister. It won't affect the running of the car,but the light will be annoying. Have the vent valve replaced.

Posted on Sep 07, 2011

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EVAP (Evaporative Emission System) purge/vent solenoid circuit condition

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Probable Causes
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