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Code PO499 evaporative emission system vent control circuit high

Check engine light comes on and it reads code PO499 on 2006 chevy cobolt

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

SOURCE: check engine light

it should be mounted on the charcoal canister near the fuel tank

Posted on Sep 13, 2008

SUL827
  • 93 Answers

SOURCE: P0440 Evaporative Emission Control

You need a charcoal canister and vent control valve.

You also need the EGR solenoid valve (I think it the brown one).

Valve is located in the valley of the V, towards the transmission side of engine.

Do these 1st and reset light. You may have other issues but you have to start here.

Posted on Sep 16, 2008

  • 45 Answers

SOURCE: check engine light on 2006 Chevy suburban

CHECK THE LARGE BLACK CANNISTER AND CHECK THE HOSES CONNECTED TO IT. GOOD LUCK!

Posted on Jun 10, 2009

  • 12104 Answers

SOURCE: Evaporative Emission System codes

check ur gas cap for tight and proper seal that is the most common problem for the the evap codes if cap is good check fuel and vent lines for damage or leaks from gas cap under vehicle up to engine compartment

Posted on Oct 18, 2009

dmsr63
  • 2050 Answers

SOURCE: I have 2006 GMC Sierra SLE 4WD 5.3 liter and my

There is a solenoid that open and closes with 12 volts, usually located close to the fuel filler tube area. This open to allow you to fill your tank, then closes after some inputs for the computer are satisfied, and then a pressure sensor verifies the system is working. First, make sure the cgas cap is tight, and if the light doesn't go away in a couple days of normal driving, get the solenoid checked.

Posted on Jun 23, 2010

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    Jul 20, 2016 | 2006 Volvo XC90

    1 Answer

    Code po499


    You need to Google any codes you get,
    then read up on the cause & solution

    OBD PO499 etc

    You will need the Evap System Smoke Tested,
    as well as a scan tool or a way to actuate various
    solenoids,not something you can do at home

    Warranty questions will be in your owners manual
    & you can check with a dealer

    Sep 02, 2013 | Chevrolet Tahoe Cars & Trucks

    1 Answer

    Diagnostic code p0701


    P0453 means EVAP emission pressure sensor high input. Possible causes:
    - Faulty Evaporative Emission System (EVAP) Pressure sensor
    - Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted
    - Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection.
    Code p0701 means Transmission control system range/performance. Possible causes:
    - Open or short transmission control system circuit
    - Poor transmission control system electrical connection
    - Check powers and grounds to Transmission Control Module (TCM)

    Aug 27, 2013 | Cars & Trucks

    1 Answer

    04 5.7L Hemi Code PO499 whats it mean


    P0499 Evaporative Emission System Vent Valve Control Circuit High
    auto diagnostic tool

    Jul 02, 2013 | Cars & Trucks

    2 Answers

    Check engine light on computer code says po499 code not in book


    It will be either a gas cap seal, blocked gas vent or EVAP / carbon canistor purge valve fault.

    Aug 20, 2010 | 2004 Dodge Dakota

    2 Answers

    What does po440 on a 2003 saturn vue mean with a service engine soon light on


    That is a problem in the evaporative emission control system.
    Could be anything causing it
    Clogged filter in the charcoal canister
    A leak in one of the vacuum lines
    The purge valve not working,,,etc.
    The best thing is to take it and have it checked out, they might have to do a smoke test to find the problem.
    All they do is inject smoke into the system, if there is a leak the smoke will come out of it. All it takes is a pin hole in these emission systems to screw it all up.

    Aug 13, 2010 | 2003 Saturn VUE

    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

    2 Answers

    I have 2006 GMC Sierra SLE 4WD 5.3 liter and my engine light comes on giving me the code PO449 Evaporative Emission Control System Vent Valve/ Solenoid Circuit Malfuction. What could cause this code to...


    There is a solenoid that open and closes with 12 volts, usually located close to the fuel filler tube area. This open to allow you to fill your tank, then closes after some inputs for the computer are satisfied, and then a pressure sensor verifies the system is working. First, make sure the cgas cap is tight, and if the light doesn't go away in a couple days of normal driving, get the solenoid checked.

    Jun 23, 2010 | 2006 GMC Sierra 1500 2WD

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    My 03 dodge dakota keeps giving me a engine light. When I checked codes it tells me po499. I cant find po499 do you know what it is and how to fix?


    CODE PO499 - NVLD CANISTER VENT SOLENOID CIRCUIT HIGH. SOUND LIKE THE NVLD CANISTER VENT SOLENOID IS FAULTY.

    Mar 29, 2010 | 2003 Dodge Dakota Club Cab

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    Error code p0449


    i have code reader says p0449 is evaporative emission control system - vent valve / solenoid circuit

    Apr 26, 2009 | 2006 Chevrolet Tahoe

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