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Where is evap canister located on 2003 alero - 2003 Oldsmobile Alero

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Under the car near the gas tank.

Posted on Nov 18, 2009

  • Allan SHeff
    Allan SHeff Mar 02, 2015

    where? what side? and hopefully not above the gas tank.

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Where is purge valve solenoid located?


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Dec 11, 2015 | 2003 Saturn VUE

1 Answer

I have a P0446 code on my 2003 Alero. Replaced vapor canister vent valve. 2 days later same code is back but says vent control circuit. Where is this located?


Most likely a plastic vent line is kinked, pinched, or a fitting is cracked above the fuel tank. http://www.samarins.com/diagnose/p0446.html Very easy to miss this happening when reinstalling the fuel tank. Unfortunately, the only way to find out is to remove the tank and inspect. Don't forget, the evap system includes the fuel tank, which must be sealed. If the O-ring on the sender is even slightly out of place, you may not get a leak, but you'll get a code.

Oct 30, 2014 | 2003 Oldsmobile Alero

1 Answer

Evap canister valve stuck open


Under truck near evap canister

Feb 08, 2014 | 2003 GMC Sierra 1500

1 Answer

Where is the fuel filter located on this model car 2000 olds alero 2.4?


FUEL FILTER LOCATED NEXT TO FUEL TANK YOU NEED TO REMOVE THE EVAP CANISTER IT WILL BE IN THE WAY.ONCE YOU REMOVE EVAP CANISTER THEN YOU CAN REMOVE FUEL FILTER.

Aug 07, 2011 | 2000 Oldsmobile Alero

2 Answers

Where is the evap purge/vent solenoid located on the Cadillac CTS 2003


It is located under the car near the gas tank on a tray with the fuel vapor storage cannister

Jul 09, 2011 | 2003 Cadillac CTS

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

1 Answer

What does code 446 mean on the 1996 Chevy Blazer?


P0446 = Evaporative Emission Control / System Vent Control Circuit Malfunction.

Check it, and before you replace the Evap Canister read this:

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.

Correction
After following the Service Manual diagnostic P0446 and determining that the EVAP canister vent valve is the cause of the SES light, replace the existing EVAP canister vent hose assembly with a new assembly, P/N 15086429. This new assembly has an enhanced filtering capability and a filter element that can be easily removed and cleaned. To ensure correct installation, follow the procedure below.

Raise the vehicle. Suitably support the vehicle.
Disconnect the EVAP canister vent valve electrical connector.
Disconnect the vent valve pipe at the EVAP canister.
Remove and retain the EVAP canister vent valve bracket mounting bolt.
Disengage, from the underbody, the two vent valve pipe clips securing the pipe to the underbody.
Remove and discard the complete EVAP canister vent hose assembly.
Position and secure the new assembly to the underbody using the existing hole and mounting bolt.
Tighten
Tighten the bracket mounting bolt to 12 N·m (106 lb in).

Install the two vent valve pipe clips into the existing underbody holes.
Connect the vent valve pipe to the EVAP canister.
Connect the EVAP canister vent valve electrical connector.
Lower the vehicle.
When properly installed, the new EVAP canister vent hose assembly will be positioned outboard of the original installation location. This new location provides clearance for accessing the filter element for cleaning purposes. To access the filter element, disengage the filter cover to valve locking finger by gently lifting the finger upward while simultaneously rotating the filter body clockwise. After approximately 45 degrees of rotation, the filter can be disengaged from the valve by gently pulling outward. The filter cover can then be removed and the filter element and body can be washed with soap and water. Prior to reinstalling, ensure that the body and filter element are dry.

Parts Information
Part Number 15086429 Hose Asm-Evap Emis Cnstr Vent

Hope help with this.

Mar 18, 2010 | 1996 Chevrolet Blazer

1 Answer

2003 H2 was given troubleshooting info of a evap


large leak response normally means that the petrol cap has not been fitted correctly

May 27, 2017 | 2003 Hummer H2

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