Question about 2003 Chevrolet Suburban 2500

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Clear code p0449 - 2003 Chevrolet Suburban 2500

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You will need to hook up a scan tool to the link under the dash by the steering wheel and reset the code. You can try to remove the positive battery cable and leave if off for about 30 minutes and sometimes that will allow the computer to reset but the best thing do is hookup a scan tool and reset the code.

Posted on Oct 02, 2015

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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

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How 2 clear check engine light code p0449 replaced already just want 2 clear check engine light did 2009 Chevy Impala ss use OBD scanner first then got code & then only i replaced


Easiest and probably cheapest way is to purchase a OBD II code scanner. You can get one at autozone or online for fairly reasonable. They are good to have on hand for future repairs. Most have the option to clear codes.

Apr 08, 2017 | Cars & Trucks

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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Quick Easy Fix P0449 P0455 Evap Codes on Chevy ...

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Jan 07, 2016 | 2004 Chevrolet Chevrolet Impala

1 Answer

Code p0449 will notg erase


then your problem is still present, have you replaced the vent valve, check the wiring and have you cleared the codes if not you need to do that just replacing the part will not clear the code it will become a history code after numerous drive cycles

Jan 17, 2013 | Chevrolet Silverado 1500 Cars & Trucks

2 Answers

Engine light stays on because of DTC P0449. How so you fix the problem with DTCP0449?


  • P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction.if the gas cap is not tieght. if you filled up with car running this code will come on or if there is a leak in the e vap system it can be found by a smoke tester.to clear the code is with a scaner.goodluck
  • Feb 28, 2011 | Chevrolet 1500 Cars & Trucks

    1 Answer

    2002 chevy blazer codes 443 449 i replaced the maf sensor the vaf sensor on air horn the emmision valve on the engine the vent valve to even tried the gas cap clear codes drove the truck guess what codes...


    p0443 is evaporative emission control system, purge control curcuit malfunction, p0449 is emission control system, vent control curcuit malfunction. p0449 is often a filler cap problem on fuel tank. try tightening cap

    May 20, 2010 | 2002 Chevrolet Blazer

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    GMC Sierra 06' 4.8 V8. I have a trouble code and nobody has had any knowledge of which part it is that needs to be replaced. DTC P0449 is the code.


    DTC P0449 Evaporative Emission (EVAP) vent Solenoid Control Circuit
    The vent solenoid is not working properly. The ecm driver could be defective, the wiring could be broken, or the vent solenoid just isn't working.


    Sep 18, 2009 | 2006 GMC Sierra 1500 2WD

    2 Answers

    Error code p0449


    i have code reader says p0449 is evaporative emission control system - vent valve / solenoid circuit

    Apr 26, 2009 | 2006 Chevrolet Tahoe

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