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Obd2 code comes up PO446 Evaporative Emission Control System Vent Control Circuit Malfunction

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What will fix codes po320 & po446?


EOBD code Fault location Probable cause
P0320 Crankshaft position WiringCKP/RPM ,
(CKP) sensor/engine sensorECM
speed (RPM) sensor
circuit malfunction
,
EOBD code Fault location Probable cause P0446 Evaporative emission (EVAP) system, vent control - circuit malfunction Wiring, EVAP canister purge valve, ECM Hope that helps

Oct 19, 2014 | 2007 Ford Explorer Sport Trac

1 Answer

Code p1443


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  • Dec 07, 2013 | Cars & Trucks

    1 Answer

    Po156 po161 po446


    code p0156 refers to heated oxygen sensor 2 bank2 circuit malfunction===causes--heating inoperative--wiring---HO2S--EcM
    code p0161 refers to HO2S 3 -circuit malfunction==causes the same as p0156
    p04456 refers to evaporative emission (EVAP) system-vent control-circuit malfunction====causes--wiring--EVAP canister purge valve--ECM

    Oct 13, 2013 | 2005 Kia Spectra

    1 Answer

    P0446 on 1997 ford expedition what is the most common culprit and where is it?


    code po446 refers to evaporative emission system (EVAP) vent control--circuit malfunction==causes Wiring--EVAP canister purge valve --ECM. The purge valve is not working and causing your problem. Replace it.

    Aug 23, 2013 | Cars & Trucks

    1 Answer

    Trouble Codes


    P0446 Evaporative Emission System Vent Control Circuit error.

    P0118- (ETC) Engine Coolant Temperature sending unit, high input. Your ETC is either faulty or has a poor wiring problem.

    P0740 Torque Converter Clutch System Malfunction.

    Jan 13, 2012 | 2002 Kia Sedona

    2 Answers

    I have P0446 Engine code on my 1996 Toyota RAV4. Any idea what that code and any suggestion? Thanks Al


    The definition for that code is : P0446 - Evaporative Emission Control System Vent Control Circuit Malfunction

    When I get this code on my Ford Escape it is the gas cap not being on properly to get a good seal. Double check the gas cap or replace it with a new one and have the code cleared.

    Jul 05, 2011 | Toyota RAV4 Cars & Trucks

    2 Answers

    Code po446


    P0446 - Evaporative Emmission Control System Vent Control Circuit

    Evap vent valve has only one purpose. It closes in order to seal the vent so the EVAP system can pressurize and ensure there are no leaks. Evap vent valve is usually supplied Batt. voltage with key on. The ECM's driver controls the ground, and when grounded, activates the valve (closing it). If the ECM detects a short to ground, and open,or a short to battery voltage on the control circuit, P0446 will set. Code also may refer to ECM detecting that EVAP system is unable to achieve or maintain vacuum during test.

    Causes: 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

    I hioe this helps to solve it.

    Nov 17, 2010 | 1999 Chevrolet Silverado 1500

    2 Answers

    I checked the codes and one comes up its po446. i dont under stand what it mean so i cant fix it to get the light to go out.


    P0446 Evaporative Emission System Vent Control Circuit.
    The following are descriptions of all Evaporative possible codes:

    P0441 Evaporative Emission System Incorrect Purge Flow
    P0442 Evaporative Emission System Leak Detected (small leak)
    P0443 Evaporative Emission System Purge Control Valve Circuit
    P0444 Evaporative Emission System Purge Control Valve Circuit Open
    P0445 Evaporative Emission System Purge Control Valve Circuit Shorted
    P0446 Evaporative Emission System Vent Control Circuit
    P0447 Evaporative Emission System Vent Control Circuit Open
    P0448 Evaporative Emission System Vent Control Circuit Shorted
    P0449 Evaporative Emission System Vent Valve/Solenoid Circuit
    P0450 Evaporative Emission System Pressure Sensor/Switch
    P0451 Evaporative Emission System Pressure Sensor/Switch Range/Performance
    P0452 Evaporative Emission System Pressure Sensor/Switch Low
    P0453 Evaporative Emission System Pressure Sensor/Switch High
    P0454 Evaporative Emission System Pressure Sensor/Switch Intermittent
    P0455 Evaporative Emission System Leak Detected (large leak)
    P0456 Evaporative Emission System Leak Detected (very small leak)
    P0457 Evaporative Emission System Leak Detected (fuel cap loose/off)
    P0458 Evaporative Emission System Purge Control Valve Circuit Low
    P0459 Evaporative Emission System Purge Control Valve Circuit High
    ---
    At least the cap isn't loose for the gas tank.

    I would clear the code with an OBD-II Scanner 'erase code' button, and see how long it takes for it to come back.

    Aug 06, 2010 | 1996 GMC Jimmy

    1 Answer

    What are codes po440,441 and 446


    the code p0440 is evaporative emission control system malfunction and 0441 is evaporative emission control system, incorrect purge flow,and 0446 is evaporative emission control system,vent control circuit malfunction.

    Jun 10, 2010 | 2001 Toyota Corolla

    1 Answer

    04 chevy avalanche. failed inspection. OBD11


    Hi, a P0446 means Evaporative Emission Control System Vent Control Circuit Malfunction

    Full details @ http://www.obd-codes.com/p0446

    Feb 06, 2010 | 2004 Chevrolet Avalanche

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