Question about 2006 Chevrolet Uplander
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Posted on Jan 02, 2017
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
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
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
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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May 27, 2017 | Cars & Trucks
May 03, 2016 | Cars & Trucks
As the title says: 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 $$$!
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