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Trouble code po449 2006 chevy uplander vent valve/solenoid and circuit where it is

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: OBD code P0499, P0499 NVLD Canister Vent Valve Solenoid, Cause?

its above ur fuel tank from what i kno of but it could be ur canister or just a short in the wire to ur solenoid

Posted on Jan 17, 2009

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SOURCE: 2007 Chevy Uplander Rear Overhead A/C Vents Won't Work

Have you checked the Aux switch near the bottom of the center control console.
There should be a knob with: Aux, Off, 1, 2, 3. This is the switch for the rear AC blower.
If the driver wants to control the rear AC, use the 1, 2, 3 settings.
If you put it on Aux, Than the rear AC is controlled by the passenger in the back seat using the extra controls located on the Overhead DVD player. (The front AC must be on the rear to work)

Posted on Jul 17, 2009

lesabre1972
  • 474 Answers

SOURCE: * Faulty vent valve

you will have to replace the evap vent valve for the emisions system usually located at the charcoal canister under the vehicle near the fuel tank.

Posted on Jan 30, 2010

csmock132
  • 4669 Answers

SOURCE: getting an error code of PO449 for a check engine

You are right. You need the vent valve not the purge valve. The vent valve is a dealer item. Also this is a common problem and GM has released a bulletin on this that involves moving the location of the valve and running some new lines. It comes as a kit from GM, and it costs about a 100 bucks.

Posted on Dec 02, 2010

nampaboat
  • 150 Answers

SOURCE: My 2003 chevy silverado 1500

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.

Posted on Feb 16, 2011

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. Solving a P0449 Engine Code 2005 Chevy Monty Carlo


DTC P0449 Evaporative Emission (EVAP) Vent Solenoid Control Circuit.
Circuit Description
An ignition voltage is supplied to the evaporative emission (EVAP) canister vent solenoid valve. The control module grounds the EVAP canister vent solenoid valve control circuit to close the valve by means of an internal switch called a driver. The scan tool displays the commanded state of the EVAP canister vent solenoid valve as ON or OFF. The control module monitors the status of the driver. If the control module detects an incorrect voltage for the commanded state of the driver, this DTC sets.

Do you know how to test automotive electrical circuits using a volt meter ? How to test a transistor (driver) inside the PCM . Videos on youtube. Do you know what a wiring diagram is ?
Also search P0449 on youtube . Free wiring diagrams here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model and engine size . Under system click engine ,then under subsystem click fuel controls . Click search the blue link. Scroll down to #9 diagram . Circuit for vent solenoid . This video is a chevy truck ,doesn't matter .
GMC Chevy Truck DTC P0449 EVAP Vent Solenoid Control Circuit

Sep 26, 2017 | Cars & Trucks

1 Answer

What does code po449 mean for my 2007 Chevy Uplander?


EVAP Canister vent solenoid valve- It's located probably back by the gas tank. A small solenoid valve that has power with key on. Pull the connector to it-one terminal will have (I think) an orange wire that should have battery voltage with key in run. If not, check your emissions fuse under the hood.
You may have to drop down the canister to get to the solenoid (very easy-like 3 bolts). There is a trouble tree that shops follow, but it is complicated. You may want a shop or dealer to do it, or you could try a new solenoid,, but that is iffy. First check that there is battery voltage to the solenoid. One is a power wire, the other goes to the pcm for internally grounding the circuit and turning the solenoid on. Sorry can't help more.

May 27, 2017 | Cars & Trucks

1 Answer

I changed everything on a 2007 chevy uplander the camshaft position sensor And the purged sensor And the throttle body and It cam up a new code p0449


DTC P0449: Evaporative Emission (EVAP) Vent Solenoid Control Circuit , your vent solenoid is opened or the wiring circuit is . The vent solenoid is by the charcoal canister at the gas tank .
P0449 Battery voltage is supplied to the EVAP canister vent solenoid valve. The control module grounds the EVAP canister vent solenoid valve control circuit to close the valve by means of an internal switch called a driver. The scan tool displays the commanded state of the EVAP canister vent solenoid valve as ON or OFF. The control module monitors the status of the driver.

May 03, 2016 | Cars & Trucks

1 Answer

I have a 2008 Chevy Uplander and one of the codes that came up on the computer is p0449 which has to do with emissions. Also, I noticed when I fill the gas tank up, I get a huge wet spot up in between the...


which has to do with emissions. More specifically it has to do with charcoal canister vent valve solenoid . Which is common for these to go out .

P0449 CHEVROLET - Evaporative Emission Vent Valve Solenoid Malfunction !
This would not have anything to do with your wet spot problem . The vent solenoid is in the back of the vehicle at the fuel tank

Sep 27, 2017 | 2008 Chevrolet Uplander

1 Answer

2007 chevy uplander po449 code


P0449 indicates a problem with the the EVAP vent valve solenoid circuit. Could be the valve or wiring.

Jun 07, 2011 | 2007 Chevrolet Uplander LS Minivan

1 Answer

Where is the location of a vent valve solenoid on a 2006 chevy uplander minivan


There are two. One is the Canister Vent Solenoid located above the gas tank and it has to be dropped to change. The other is the Vent Purge Valve and it is located under the hood to the right on the intake manifold close to your brake fluid reservoir.

Apr 12, 2011 | 2006 Chevrolet Uplander

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

2 Answers

Engine trouble code 0499 2004 dodge dakota manual 5 speed 4.7 4x4


P0499 Evaporative Emission System Vent Valve Control Circuit High, REPLACE THE SOLENOID.

Jun 24, 2009 | 2004 Dodge Dakota

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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