Question about 2006 Nissan Titan

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Code p1446 & p1446pd changed evapsolenoid vent control valve even the gas cap still throwing the code what else could it possibly be?

At a loss don't know where else to go to fix this issue

Posted by Anonymous on

6 Suggested Answers

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

  • 2 Answers

SOURCE: code p 1446 solenoid valve malfunction in sentra 2005

I have the same problem with my 2005 sentra. It is the vent control valve. The only cheap way to fix this would be to take it off and spray wd-40 and see if it works. You could also get the part form a junk yard. Nissanpartsdirect also has it. I beleive it is officially called the vapor canister.

Posted on Feb 24, 2009

  • 13 Answers

SOURCE: Vent Control Valve.

In your charcoal box in the engine bay by the fire wall. You may be able to free it up the frozen valve by tapping it and hitting it with some wd-40.

Posted on Mar 04, 2009

  • 237 Answers

SOURCE: I have a P1446 Mfr Controlled Aux Emiss Cntrls

vent control valve on evap canister is stuck closed or outlet hose from valve is clogged preventing pressure in tank from venting during fill up and difficulty refueling.if it is valve and mounting screws arent seized....about$200.

Posted on Jan 20, 2011

  • 4 Answers

SOURCE: when you put gas in it wont take it .blows it back

Just fixed my wife's 2005 Nissan sentra for the same problem, the service engine light was on and when I tried to put gas in the tank it would gurgle up on me and come out. After doing a little research on line (I love the web) and talking to the dealership, it ended up being the vent control valve. Newer model cars have pressurized gas tank, this valve closes when you start the car to pressurize the system and opens when you shut it off to vent the system, and if stuck closed the system will not vent wile pumping gas causing it to come back up the pipe. Nissan has had many problems with this valve and since have redesigned it.
The valve is located just to the rear of the driver's side back tire, you will have to remove the plastic shield to get at it and if you remove the back tire, it makes the job easier. It looks like a tube with an electrical connection on the side at the top and the hose from the gas tank on the same side at the bottom. It is attached to a black box I thank they call it the carbon box. Remove the valve by turning it counterclockwise and pull it out. Remove the electrical connection then the hoes that leads to the gas tank. If you look inside the holes you will see a plunger and a spring, if the plunger is down and seated it means it is stuck closed. If you are not sure you can do what I did and try to plow thru it if you cant you have your answer it's closed. I had to go to the dealer for the part and they soaked me for $152.00 but better that then paying them to do this simple job. To reinstall the new unit just reverse the directions. Once I had, the part out I disconnected the battery in the hopes it would reset the check engine light and after the job was done, I reconnected the battery and everything was fine. I think it is a simple job and if I can do it anyone can, good luck.

Posted on Apr 30, 2011

  • 11800 Answers

SOURCE: I just bought a used 2005 Nissan Sentra from a

Yes, the defect is clearly in the valve: as the error says it's non responsive and stuck partially open. It's not a big problem, the engine will just run a little rough and use more fuel.
To fix that just replace the valve and check all the pipes.

Posted on Jul 13, 2011

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3 Answers

WHAT DOES FAULT CODE P1446-00 MEAN


older nissan? evap canister purge fault. check for loose or rotten/disconnected vacuum hoses before testing the vapor canister purge valve.
25439609-xipalmoknr3fbjmp51kycajc-2-0.jpg The charcoal canisters also clog up. Do some diagnosing before you go changing parts.

Feb 16, 2015 | Cars & Trucks

1 Answer

Code # PO446


P0446 Nissan - Evaporative System Canister Vent Control Valve Circuit
Possible causes - Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- Vent control valve harness is open or shorted
- Vent control valve circuit poor electrical connection
- Faulty vent control valve

Tech notes Before replacing any parts, try re-tighten the gas cap and clearing the code. If the cap or cap seal is damage replaced cap and clear the code.


Apr 12, 2014 | Nissan Pathfinder Cars & Trucks

1 Answer

Nissan sentra P1446


code p1446 refers to evaporative emission (EVAP) canister purge valve---vent control valve malfunction===causes--wiring--EVAP pressure sensor---hose leak/blockage---EVAP vent valve---EVAP canister contaminated ---ECM

Jan 03, 2014 | Nissan Sentra Cars & Trucks

1 Answer

P1446 infiniti FX35


for your infiniti FX35,
P1446 - Infiniti Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled Description Evaporative emission (EVAP) canister purge control valve - malfunction
Cause Wiring, EVAP valve, mechanical fault, ECM

or you can ask the 24 hrs live technical support http://www.spobd2.com/service/, they will like to help you, good luck

Jul 06, 2013 | Infiniti Cars & Trucks

1 Answer

09 Chevy colorado code p449


PO449-- Evap Vent Valve/Solenoid Circuit Malfunction

PO441--Evap Purge Valve Incorrect Flow
PO 443,444,445 Purge Control Valve Issues


There was no reason to change the gas cap or
purge control valve

Didn't Google the code & use it correctly to diagnose
the problem

Mar 23, 2013 | 2009 Chevrolet Colorado Extended

1 Answer

Error code P1446 on a 2002 Subaru Outback


P1446 Subaru
P1446 Subaru - Fuel Tank Sensor Control Valve Circuit Low

Possible causes
- Faulty Fuel Tank Sensor Control Valve
- Fuel Tank Sensor Control Valve harness is open or shorted
- Fuel Tank Sensor Control Valve circuit poor electrical connection

Read more: http://engine-codes.com/p1446_subaru.html#ixzz3XW7JPocn

Feb 17, 2013 | 2002 Subaru Outback

1 Answer

I have nissan xtrail 2005 code p1446 what is my problem


Trouble Code: P1446

EVAP Canister Vent Valve Malfunction (Closed)

Possible Causes:


EVAP canister vent control valve is damaged or has failed.EVAP canister vent control valve rubber tube is blocked.EVAP control system pressure sensor is damaged or has failed.EVAP water separator is damaged or has failed.EVAP canister is saturated with water.Click here to see the suspected parts to check out.

Jan 29, 2013 | 2005 Nissan X-Trail 2.5i

1 Answer

Error codes P0442 & P0446 Likely fixes?


A code P0442 most likely means one or more of the following has happened:
  • A loose or improperly affixed gas cap
  • A non-conforming gas cap (i.e. not factory/original brand)
  • A small leak/hole in a fuel vapor hose/tube
  • Other small leak in EVAP system
  • Faulty vent o-ring seal
Possible Solutions With a P0442, the most common repair is to:
  • Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
  • Otherwise, replace the gas cap, or
  • Inspect the EVAP system for cuts/holes in tubes/hoses

A code P0446 could mean one or more of the following has happened:
  • Faulty vent valve
  • Open, short or excessive resistance on Vent valve control circuit
  • Blockage of vent valve
  • Bad PCM
Possible Solutions With a P0446 OBD-II trouble code, here are some things to try:
  • Replace Vent valve
  • Repair open, short, or resistance problem in control circuit
  • Repair open, or short, or resistance problem in power circuit
  • Replace PCM

Since you are getting both of these codes the most likely problem will be a faulty Vent Valve.

Oct 26, 2012 | Cars & Trucks

1 Answer

Check engine light initially showed code for speed sensor,changed that & light came back on,now shows code 440 & 600,tried tightening gas cap & still comes on


Unfortunately the P0440 code could be a comdination of about 4 different possibilities within the EVAP System:

1. Fuel Cap loose or Not holding proper pressure causeing a leak in the EVAP System
2. EVAP Canister Purge Volume Control Valve
3. EVAP Canister Purge Control Valve
4. EVAP Canister Vent Control Valve

The Vent Control Valves are common for going bad and causing leaks in the EVAP System.

Now, the P0600 Code - ECM recieving incorrect voltage from A/T control Unit Continuously.

Unfortunately, my suggestion to you would be to take the vehicle to your local Nissan Dealer where they have the appropriate scan tools to monitor the EVAP System and the Transmission control System.

Hope this helps...

Sep 17, 2011 | 1997 Nissan Maxima

1 Answer

Check engine light on !! need to know what code p1446 is ??


P1446 is evap leak code. (vent control valve to be specific) you will need a new vent control valve and water separator kit installed. About $215 for the parts.

Jul 17, 2008 | 2006 Nissan Titan

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