Question about 1998 Toyota Corolla

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How do I clear a fault code on a 1998 Corolla?

Problem code PO446, faulty CCV vent control solenoid. How do I clear the code after repair?

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Posted on Jan 02, 2017

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SOURCE: faulty ccv vent control solenoid

this is canister control valve for the evap system the repair is replacement and then clearing the code its location is on the back of the airfilter container one plug and a hose and your done good luck and please rate this

Posted on May 04, 2010

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1 Answer

2004 cavalier check engine code PO446


P0446: Evaporative Emission System Vent Control Circuit
Probable cause:
Sensor or solenoid faulty
Connector terminal contact damaged or corroded
Wire harness fault. Check for correct voltage, open, short to ground or short to voltage
Control unit software needs update
Powertrain or Engine Control Module faulty
Vacuum leaks, damaged hoses or improper routing
EVAP system - Check fuel cap, canister, valves or components

Jun 05, 2017 | 2004 Chevrolet Cavalier

1 Answer

MY 2004 TOYOTA AVALON 3.0 ENG. CHECK ENG LT. CODE PO441 AND PO446


Specifically, P0446 indicates an Evaporative Emission Control (EVAP) system vent control circuit malfunction. Typically, this indicates a faulty vent valve, a bad control circuit for that valve, or a blockage in the vent valve. In all cases, it clearly shows the mechanic that a check of the EVAP vent valve is in order.

When your Toyota's P0441 is triggered, it usually indicates a bad vacuum switch or a leak in the EVAP system that is preventing fuel vapors from reaching the canister. The P0441 code can also indicate a faulty or "stuck" PCV, a short circuit in the feed circuit, or a faulty purge solenoid.
HTH

Dec 08, 2015 | Toyota Cars & Trucks

1 Answer

Chevy tahoe code PO446 2000 TAHOE


Code 446

P0446 Chevrolet Description
The Powertrain Control Module (PCM) monitors the performance of the Evaporative Emission (EVAP) system by applying a predetermined level of vacuum to the EVAP system then monitors the vacuum decay rate.
Possible causes =
- Plugged vapor canister
- Faulty vent solenoid
- Pinched or blocked EVAP hose
- Faulty FTP sensor

Read more: http://engine-codes.com/p0446_chevrolet.html#ixzz3C6NJ1IpZ

Sep 01, 2014 | 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

My 00 xterra had a code of po446


Trouble Code: P0446

EVAP Vent Control Solenoid Circuit Malfunction

Possible Causes:


Vent solenoid circuit open, shorted to ground or to power (B+).Vent control solenoid is damaged or has failed..PCM has failed.TSB 00-060 (7/00) contains information related to this code.Trouble Code: P0455

EVAP System Gross Leak (0.080") Detected

Possible Causes:


.EVAP control system pressure sensor is damaged or has failed.EVAP purge solenoid or canister vacuum line loose or off.EVAP purge solenoid is damaged or has failed.EVAP emission canister is dirty, restricted or full of water.EVAP canister vent control valve is damaged or has failed.Fuel tank cap loose, missing or it is the wrong part number.Fuel tank temperature sensor is damaged or has failed.Fuel tank vacuum relief valve is damaged or has failed.Large leak in the EVAP canister or in the fuel tank area.ORVR system is damaged or has a large leak in a component.Refueling control valve is damaged or has failed.Vacuum hose leaking between intake manifold and Purge valve.Here are the codes,take part back and get refund.

Dec 03, 2012 | Cars & Trucks

2 Answers

My Camry idles low, feels like its going to die


you should check the wires and the plug on thje ccv vent control solenoid, if they look good replace the solenoid, get the catalytic converter checked at a shop, a clogged cat can cause some of the other codes.

Sep 16, 2012 | 2002 Toyota Camry

2 Answers

P0446 code 1998 gmc jimmy how do I fix this? where is it located?


Hi there:

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




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




Hope this helps.

May 30, 2012 | 1998 GMC Jimmy

4 Answers

My check engine light come up w/ all these code P0305,P0440,P0441,P0446 what's wrong Thanks


po305 is related to missfire on #5 cylinder
po440 is related to fuel tank pressure
pO441 is for evaporator purge flow malfunction
po446 relates to vent control valve electrical circuit malfunction

missfire is seperate from the other codes
as for the other three codes replace the vent control valve solenoid located near the charcoal canister the oth3er codes can relate to a faulty solenoid

after replacing light will only go out if you clear through a scan tool or three drive cycles of over 10 min each

Jan 10, 2011 | 2000 Lexus RX 300

1 Answer

Faulty ccv vent control solenoid . check engine light stays on. how do i fix this problem.


this is canister control valve for the evap system the repair is replacement and then clearing the code its location is on the back of the airfilter container one plug and a hose and your done good luck and please rate this

May 03, 2010 | 2003 Toyota Sienna

2 Answers

Check engine light came on my 2002 Rav 4. Auto Zone diagnostic code PO446. How should I fix?


Chances are, it's going to be either 1 of the 3 switches that need replacing, a new gas cap or a new charcoal canister. The 2 switches under the hood are the VSV for CCV and VSV for EVAP. The one at the canister itself is the VSV for VSP. This VSV for VSP typically goes bad before the other 2 switches do. Plus, the switches are much cheaper than a new canister. (BTW, VSV stands for vehicle switching valve.)

PO446 is an evap canister code

Oct 28, 2009 | 2002 Toyota RAV4

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