Question about 2007 Chevrolet Uplander

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Hi my evap vent selenoid is un top of the gas tank can i change it place and put it far away from the evap canister thank you...

Can i put my evap vent selenoid an other place far away from the evap canister insted of on my gas tank...

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If the vent is separate from the solenoid yes you can move it. I use heater hose to go between the solenoid and the vent. Just try and mount it somewhere the dust and dirt wont get to it.

Posted on Mar 03, 2017

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Posted on Jan 02, 2017

  • 37 Answers

SOURCE: HAVE A TROUBLESHOOTING MESSAGE PO446

DTC P0446 Evaporative Emission (EVAP) Vent System Performance

The vehicle control module (VCM) monitors the performance of the evaporative emission (EVAP) system by applying a predetermined level of vacuum to the EVAP system and monitors the vacuum decay rate. The VCM sets this diagnostic trouble code (DTC) if the vacuum decay rate is more than a predetermined value. The VCM monitors the amount of vacuum and the amount of pressure in the EVAP system by monitoring the fuel tank pressure sensor. For this DTC, the VCM turns ON both the EVAP purge valve and the EVAP vent valve when the Conditions for Running the DTC are met. This applies an engine vacuum to a closed EVAP system. The VCM turns OFF both the EVAP purge valve and the EVAP vent valve when the system reaches a correct amount of vacuum. The EVAP system should quickly RELEASE the vacuum in the EVAP system with the EVAP purge valve OFF and the EVAP vent valve OFF (open). This test indicates a blocked or restricted EVAP vent path if the EVAP system fails to release the vacuum quickly enough.

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Posted on Dec 06, 2008

matney68
  • 426 Answers

SOURCE: Looking for the evap canister vent valve on a 2006 Silverado

if you look underneath the vehicle on drivers side in the area beneath drivers you with see a plastic rectangular sort of shaped box this is evap canister and vent valve is there in this area.

Posted on Jun 20, 2009

juncro
  • 467 Answers

SOURCE: evap.vent solenoid sticking

its in the engine compartment, is look ske a cysinder with a vacuum line attach

Posted on Jul 29, 2009

  • 162 Answers

SOURCE: 1998 chevy lumina car. DTC code p0440. I know

You will need to drop the tank if you have a strong gas odor. Rubber line between sending unit and metal pipe is leaking.

Posted on Sep 21, 2009

  • 37 Answers

SOURCE: 2004 Chevy Cavalier 2.2 eco Automatic 94,000 miles

in my experience the usual culprit is the evap cannister. the problem is it gets moisture in it and freezes during winter thus cracking the plastic. if you lay under the car and look at the evap box it black plastic and if you see a loose or cracked hose or the box itself is cracked that is most likely it. as a side note you can check the gas cap and buy a new one to see if that rectifies the situation. lastly i don't think the gas tank should be suspect as you would probably notice if gas was leaking out of the tank. if you take the car to a dealer or shop they can do a smoke test and determine where the leak is.

Posted on Oct 19, 2010

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1 Answer

Where is my vent valve solenoid on my 2006 Chevy Colbalt?


It's located under the vehicle back behind the fuel tank , Installed in the canister ! Remove the EVAP canister vent solenoid valve from the canister !
Rotate the EVAP canister vent solenoid valve counterclockwise in order to release it from the locked position.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Disconnect the evaporative emission (EVAP) canister harness electrical connector (2) from the EVAP vent solenoid valve. Clean away any debris that may be present around the EVAP canister vent solenoid valve.
Remove the EVAP canister bolt. Lower the EVAP canister.

Feb 25, 2015 | Chevrolet Chevy Cars & Trucks

1 Answer

Evap emmission,control sys leak


Do not top off your gas tank. The gas is going into carbon canister which is only for fuel vapors to go into (carbon canister opening near the top of fuel neck near the gas cap). Your flooding the fuel vapor canister with liquid fuel; of course you are going to get a sensor message... 'Evap emmission,control sys leak

P0443 The fuel vapor canister reduces that gas smell on hot days outside/inside of car. The fuel vapor canister fillers bad smells from gas tank on hot days when the gas expands and burps fumes through carbon canister filter. From the canister (gas vapor fumes) goes back into the engine to be burned again...it's a closed loop for vapors to be recycled though engine. Don't worry, once the carbon canister dries out and no longer flooded with raw fuel the code should go away...just don't let the top off fuel tank back flow into the 'Evap emission control' carbon filter near the top and close to the gas cap...:)

Apr 20, 2014 | 2000 Ford Mustang

1 Answer

Engine light has been on, changed gas cap and it went off for 2 days. went to auto parts store and they put the little gauge on it and it read that i have a small evap leak. Need to know what else it could...


The problem may be something that needs a shop to fix.
The computer vents the fumes from the gas tank to the vapor canister several times while the engine is running.
Any part of the EVAP system can leak, including the vent valve on top of the gas tank.
A shop would do a visual inspection then a smoke test where they induce smoke into the tank and check for leaks.

Feb 21, 2013 | Chrysler Sebring Cars & Trucks

1 Answer

Need to replace pontiac aztek evaporation emission vent valve


This is located on the top/side of the gas tank on the drivers side of the tank. instructions for removal- jack the front left side of the car up, unbolt top bolt that holds the heat shield and evap canister up place another jack under gas tank before the strap. (i use the jack that comes with the car i find it easier) unbolt 1st strap lower the tank down there should be enough clearance to lower half of the tank down without droping the entire thing

Sep 25, 2012 | 2001 Pontiac Aztek

1 Answer

Feul will burp mout of the filler cap no mater how slow I fill the car and the service engine soon light is on, how do I change the feul tank filler vent check valve?


Hi, your EVAP vent valve is likely stuck closed. The valve is under the car near the fuel tank. Remove the valve and check to see if it's stuck. You may be able to restore operation by cleaning the valve with carb cleaner. The valve should be open when no voltage is applied. I have pasted instructions below from autozone.com. Please let me know if you have any questions, and thanks for using FixYa.
jturcotte_1546.gif Vent Solenoid Valve
2.2L & 2.4L Engines

  1. Raise the vehicle
  2. Loosen the EVAP canister vent valve hose clamp and slide the clamp down the hose away from the EVAP vent valve hose connection.
  3. Remove the hose from the EVAP canister vent valve.
  4. Remove the EVAP canister vent valve by placing a pry bar between the valve and mounting surface, and moving the valve forward.
  5. Remove the clip from the EVAP canister vent valve harness connector
  6. Disconnect the EVAP canister vent valve harness connector.

To install:
  1. Connect the EVAP canister vent valve harness connector
  2. Install the clip into the EVAP canister vent valve harness connector.
  3. Install the EVAP canister vent valve by pushing the mounts into the original holes.
  4. Lubricate the hose end with lubricant.
  5. Install the hose to the EVAP canister vent valve.
  6. Slide the EVAP canister vent valve hose clamp down on to the hose connection at the EVAP canister vent valve.
  7. Lower the vehicle.

Apr 18, 2011 | 2004 Chevrolet Cavalier

3 Answers

My 2002 toyota sienna has evap system malfunction p0440, p0446 changed the canister closed valve vsv, check engine light came back yesterday trying to avoid replacing vapor canister which is costly but do...


You are on the right track, you replaced the vent valve and replaced the vsv valve in the engine compartment that should of solved the problem as long as the correct valves were replaced, i would check for a leak in a hose for the evap system, a smoke test would be a good way, the canister may not be the problem but the valves on the canister, there are a few vsv valves on the canister and also the pressure sensor, the switching valve is very common also, there are so many valves thats why the dealer replacing the canister as an asm, hope this helps also make sure gas cap is good.

Jan 07, 2011 | 2002 Toyota Sienna

1 Answer

2002 firebird evap system 0440 code check engine light is on. i changed the entire gas tank and got a new canister new gas cap too lights still on sensor?


Are you using ethanol blended fuel? If so stop and use unleaded only and see if after 2 tanks you can clear the code. If that doesn't help and your evap canister has 2 hose connections, try plugging the hose connection that doesn't go to the tank at the first point of connection away from the canister. Plug the line that goes to the first point of connection side of that line (vacuum side). Let the canister side of that line vent to atmosphere during this test.

Sep 09, 2010 | 1999 Pontiac Firebird

3 Answers

Po446 evap vent code where is the evap vent located


Some might have an ses p0446, evap emissions vent circuit low. If you take it to the dealer they want 300-400.00 to fix the problem. GM has a service bulletin on this condition and have the updated part for 180.00, thats suppose to eliminate this issue.

Basically the problem is, the evap purge vent valve gets clogged with dirt, especially if the truck is used in dirty conditions. Well I figured there had to be a cheaper way to cure this problem.

Here it is:
1) find the location of the vent valve; its under the truck, locate the charcoal canister on the front of the gas tank and trace the vent line to the vent valve.
2) Take the bracket loose with a 5/8 wrench.
3) Spin the valve around so the side with the hole is facing you.
4) Take an air compressor and blow the vent valve out.
5) reinstall and clear the code and it's fixed.

Now I know the updated part from gm is supposed to keep the valve from clogging ever again, but why spend the money when all you have to do is blow out the vent valve every 50k-100kmi and save your $$$!

Subject: DTC P0446 (Restricted/Blocked EVAP Vent Path) Set, Service Engine Soon (SES) Lamp Illuminated (Replace Hose/Evaporative Emission (EVAP) Canister Vent Asm) #02-06-04-037A - (02/02/2005)
Models:
- 1999-2003 Chevrolet Silverado Models
- 1999-2003 GMC Sierra Models
--------------------------------------------------------------------------------
This bulletin is being revised to add model years. Please discard Corporate Bulletin Number 02-06-04-037 (Section 06 -- Engine/Propulsion System).
--------------------------------------------------------------------------------
Condition
Some customers whose vehicles are operated in dusty type environments, such as farming or mining off-road type applications, may comment about the illumination of the instrument panel SES light, with a DTC of P0446 (Restricted/Blocked EVAP Vent Path) being set.

Cause
Dirt and dust intrusion into the EVAP canister vent hose assembly, resulting in restricted air flow, may cause this condition.

Part Number 15086429 Hose Asm-Evap Emis Cnstr Vent


Removal & Installation
Purge Solenoid Valve-2.2L (L61) Engine
  1. Disconnect the evaporative emission (EVAP) canister purge valve harness connector.
  2. Disconnect the vacuum pipe from the EVAP canister purge valve.
  3. Disconnect the purge pipe from the EVAP canister purge valve.
  4. Remove the EVAP canister purge valve and bracket.
  5. Remove the EVAP canister purge valve from the purge bracket.
  6. Inspect for carbon release in the EVAP canister purge valve ports.
To install:
  1. Install the EVAP canister purge valve on to the purge bracket.
  2. Install the EVAP canister purge valve and bracket. Tighten the purge bracket nut to 71 inch lbs. (8 Nm).
  3. Connect the purge pipe to the EVAP canister purge valve.
  4. Connect the vacuum pipe to the EVAP canister purge valve.
  5. Connect the EVAP canister purge valve harness connector.
  6. Remove the air cleaner outlet resonator.
  7. Disconnect the EVAP canister purge valve harness connector.
  8. Disconnect the engine purge pipe from the EVAP canister purge valve.
  9. Disconnect the engine vacuum pipe from the EVAP canister purge valve.
  10. Remove the EVAP canister purge valve mounting bracket attaching bolt.
  11. Remove the EVAP canister purge valve along with the mounting bracket.
  12. Installation is the reverse of the removal procedure. Tighten the bracket bolts to 71 inch lbs. (8 Nm).

Purge Solenoid Valve-2.4L Engines
  1. Remove the front purge pipe from the evaporative emission (EVAP) canister purge valve.
  2. Remove the rear purge pipe from the EVAP canister purge valve.
    NOTE The EVAP canister may have released carbon particles, which caused this part to fail, and may cause damage to other components. Check the EVAP canister for loose carbon before returning the vehicle to service.
  3. Disconnect the EVAP canister purge valve electrical connector.
  4. Insert a screwdriver between the EVAP canister purge valve and the mounting bracket in order to release the lock tab.
  5. Remove the EVAP canister purge valve mounting bracket attaching nut, if replacing the bracket.
  6. Remove the bracket.
To install:
  1. Install the mounting bracket and the attaching nut for the EVAP canister purge valve. Tighten the nut to 71 inch lbs. (8 Nm).
  2. Slide the EVAP canister purge valve onto the mounting bracket. Make sure the lock tab locks the valve in place.
  3. Connect the EVAP canister purge valve electrical connector.
  4. Connect the rear purge pipe to the EVAP canister purge valve.
  5. Connect the front purge pipe to the EVAP canister purge valve.

Vent Solenoid Valve-2.2L & 2.4L Engines
  1. Raise the vehicle
  2. Loosen the EVAP canister vent valve hose clamp and slide the clamp down the hose away from the EVAP vent valve hose connection.
  3. Remove the hose from the EVAP canister vent valve.
  4. Remove the EVAP canister vent valve by placing a pry bar between the valve and mounting surface, and moving the valve forward.
  5. Remove the clip from the EVAP canister vent valve harness connector
  6. Disconnect the EVAP canister vent valve harness connector.
To install:
  1. Connect the EVAP canister vent valve harness connector
  2. Install the clip into the EVAP canister vent valve harness connector.
  3. Install the EVAP canister vent valve by pushing the mounts into the original holes.
  4. Lubricate the hose end with lubricant.
  5. Install the hose to the EVAP canister vent valve.
  6. Slide the EVAP canister vent valve hose clamp down on to the hose connection at the EVAP canister vent valve.
  7. Lower the vehicle.

Hope this help (remember commetn and rated this).

Apr 21, 2010 | 2000 GMC Jimmy

2 Answers

Where is the evaporative fuel solenoid on a 1998 sw2 saturn? i have 2 monitors that with not reset on is the solenoid and the other evap system. i have already changed the gas cap. i do not have a service...


Evaporative Emission (EVAP) Canister Purge Soleno Evaporative Emission (EVAP) Canister Purge Solenoid Valve is on top of the fuel tank.

Evaporative Emission (EVAP) Canister Vent Solenoid Valve is at the upper end of the fuel filler pipe.
id Valve is on top of the fuel tank.

Evaporative Emission (EVAP) Canister Vent Solenoid Valve is at the upper end of the fuel filler pipe.

Oct 07, 2009 | 1998 Saturn SC

2 Answers

Service engine light keeps coming on. OBDII P0446


Hi

This engine code is related to a malfunction in the electrical circuit for the vent valve/solenoid in the evaporative emission control system.

Probable causes are;

1- Purge or vent solenoids defective.
2- Defective wiring or bad connections in the vent valve/solenoid circuit.
3- Fuel saturated vapor canister.
4- Failed EVAP vent solenoid.

These engine codes are useful indicators to where the fault lies but usually require further troubleshooting to fully determine the underlying cause.

However I have listed the probable causes so to give you a starting point for your investigations.

Hope this helps. Please remember to rate my answer. Thanks.

Jul 17, 2009 | 2000 Chevrolet Tahoe

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