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Check engine light on, dignostic said code p0449

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Follow this link/ Hope it helps. Good Luck.
http://www.gm-trucks.com/forums/index.php?showtopic=82504

Posted on Sep 28, 2010

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Posted on Jan 02, 2017

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Replaced purge valve cannister & tube on 2009 chevy impala ss plus 10amp fuse, gas cap code is p0449; now the check engine light has not went out been 4 days since replace now what 2 do...help help


gas cap code p0449 ??? This is not a gas cap code ! DTC P0449: Evaporative Emission (EVAP) Vent Solenoid Control Circuit.. your best bet , take it to a qualified chevy repair shop .


Wells EVAP Training with Sgt Tech P0440 P0441 P0442 etc

Apr 12, 2017 | 2009 Chevrolet Impala

1 Answer

What are the probable causes of DTC P0449?


P0449 - OBD-Codes.com

www.obd-codes.com/p0449
Detailed information on diagnosing and repairing a P0449 DTC code which refers ...P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit ... OBD-IITrouble Code Technical Description ... 2004 Chevrolet Tahoe 4.8L p0449

EVAP Code P0449 - YouTube

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Mar 13, 2013 - Uploaded by realfixesrealfast
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Quick Easy Fix P0449 P0455 Evap Codes on Chevy ...

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Jan 07, 2016 | 2004 Chevrolet Chevrolet Impala

1 Answer

Check engine light on, the code is P0449 on a 2009 chevy treverse need a wiring diagram How to fix it


Hello there

Lots of people seem to get this code.

Electrical diagram is included in the Haynes Manual (which EVERYBODY should have for their car !!) Available here.http://www.haynes.com/products/?searchType=vehicleApplicationSearch2&searchEnd=yes&sfID1=&sfID2=&sfID3=&year=2009&make=Chevrolet&model=Traverse&x=22&y=11


http://engine-codes.com/p0449_chevrolet.html
This says the vent valve/solenoid in the evaporative emission control system.

Something similar here which will be of use to you.
http://www.gm-trucks.com/forums/topic/82504-check-engine-light-code-p0449/
Vent Solenoid problem ...changed seems to have cured it.

Sep 21, 2014 | 2009 Chevrolet Traverse

1 Answer

My trailblazzer keeps intermittly give engine codes P0014, P0449, P1400


p0014 is likely a camshaft solenoid valve, the p0449 is likely a evap vent valve or wiring, and a p1400 (sorry for this one) is likely a cylinder head. based on the codes you asked you have the 4.2l L6 motor.

Mar 22, 2014 | 2008 Chevrolet Trailblazer

1 Answer

Check engine light codes


the c0899 is a low battery voltage and the u1064 means communication is lost with the bBody Control Module. The u1026 is also a communication problem and the p0449 is an emissions problem, around the venting of the fuel tank. Sounds like several different unrelated problems.

Oct 22, 2013 | 2007 GMC Canyon Crew

1 Answer

Chevy


P0449 Chevrolet - Evaporative Emission Vent Valve Solenoid Malfunction

Jun 24, 2013 | 1999 Chevrolet Camaro

1 Answer

I have a code P0449 on my 1999 chevy malibu 3.1


check engine light ison,autozone says code is P0449 this is whattheir ticket says:

The PCM has determined that a malfunction exists in the electrical circuit for the vent valve/solenoid in the evaporative emission control system.

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

Explanation:
The solenoids and system wiring are monitored for opens or shorts

Probable Causes
1- Purge or vent solenoids defective
2- Check connevtor and wiring
3- Fuel saturated vapor canister
4- Failed EVAP vent solenoid

Dec 06, 2012 | 1999 Chevrolet Malibu

1 Answer

2008 Envoy with P0449 code


I'm sure the question is WHERE is the valve located

Dec 04, 2011 | 2008 GMC Envoy

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