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2003 silverado engine code po449. where is vent solenoid? located

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  • bubbabuilt Oct 16, 2008

    2003 silverado posting code po449 and code po445 where is the vent solenoid?

  • Anonymous Feb 03, 2009

    code po449 no power at solenoid is there a relay or fuse

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The driver side frame rail bye the fuel tank

Posted on Nov 23, 2008

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Where is the evap solenoid located on 2010 silverado? got the po449 code


P0449 is a code for the EVAP vent solenoid. You can find the vent solenoid on a support at the rear of the fuel tank. You have a electrical problem if you have only this code in the memory of the powertrain module. May be it's a broken wire(most of the time) or a
short to ground wire.

Sep 05, 2014 | 2010 Chevrolet Silverado 1500

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2008 chevy cobalt engine light on


Your Po449 code means: Evaporative Emission (EVAP) Vent Solenoid Control Circuit. Check to see if anything on you EVAP system has gotten disconnected and make sure that none of your hoses have gotten old and bridle or have holes. If everything looks ok, you probably have to replaced the Vent Solenoid Valve, which is located on the EVAP canister.

Jan 30, 2013 | 2008 Chevrolet Cobalt

1 Answer

Code PO449 Evap Selonoid where is it located? 2008 chevy 1500


P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit
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OBD2 car code scanner

Dec 10, 2012 | 2008 Chevrolet Silverado 1500 2WD

1 Answer

What do i need to fix with my 2002 buick rendevous diagnosis showing code # po449


P0449 BUICK Description The Engine Control Module (ECM) monitors the Evaporative Emission System (EVAP) Vent Valve/Solenoid system wiring for opens or shorts. Could be a problem with the vent solenoid or other component of the fuel tank venting system.

Read more: http://engine-codes.com/p0449_buick.html#ixzz21r2pw0wE

Jul 27, 2012 | Buick Cars & Trucks

1 Answer

Po449 0n 2006 chevy cobalt


P0449 control vent valve/solenoid circuit malfunction, This code necessarilly deal with replacing the vent solenoid it about the circuit,the evap vent solenoid circuit may have rub through on the frame (located on the back of the fuel tank),it can also be the connector,the vent solenoid itself,or the connector

Mar 24, 2012 | 2005 Chevrolet Silverado

1 Answer

My 2003 chevy silverado 1500 4wd (5.3 Vortec) has a trouble code (po449 & 455) I know what that problem is but, I do not know where the locations of this problem would be. PO449 is a Evaporative...


The first thing I would check is the fuel cap. Your vehicle uses a closed vent system to control the fuel vapors in the tank and then vent the vapors to the engine intake system to burn. so you have a leak either your purge/ vent solenoid is stuck or open all the time not allowing the on board diagnostics to run the test or you may a bad fuel cap, and it is venting to the atmosphere allowing the gross leak. The purge/ vent valve is under the vehicle next to the charcoal canister.

Feb 16, 2011 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

I have a 2005 pontiac g6 and the engine has no acceleration like the cat converter is plugged and has an engine code p449 can you help


CODE PO449 IS EVAP VENT SOLENOID CONTROL CIRCUIT MALFUNCTION CONDITIONS.CHECK FUSE.IF OKAY.VENT SOLENOID FAILED.

Sep 13, 2010 | 2003 Chevrolet Silverado 1500

1 Answer

Trouble code po449 2006 chevy avalanche


CODE PO449 -EVAP VENT SYSTEM PERFORMANCE CONDITION.POSSIBLE CAUSES. VENT SOLENOID CONTROL CIRCUIT IS OPEN OR SHORTED TO GROUND OR.VENT SOLENOID CONTROL CIRCUIT IS SHORTED TO SYSTEM POWER B+.OR VENT SOLENOID POWER CIRCUIT IS OPEN TEST THE ENG 1 FUSE.OR VENT SOLENOID IS DAMAGE OR HAS FAILED.OR PCM HAS FAILED.

Aug 19, 2009 | 2003 Chevrolet Silverado 1500

3 Answers

2003 Chevy Silverado 1500 Error Codes


P0135 is a bad 02 sensor
P0442 is a evap problem
P0449 is a vent solenoid

i would check the vent solenoid first its a 4ws fuse under the hood in the fuse box make sure you have power to it you should have power at all times the ground comes from the pcm i think if you fix this everything else will work they are all computer controled

Mar 23, 2009 | 2003 Chevrolet Silverado 1500

1 Answer

Error codes PO135, PO449,PO442


THESE ARE FROM THE GM CODE DEFINITION MANUAL

P0135 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 1
P0449 - Evaporative Emission (EVAP) Vent Solenoid Control Circuit
P0442 - Evaporative Emission (EVAP) System Small Leak Detected

Mar 23, 2009 | 2003 Chevrolet Silverado 1500

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