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Emission control system - 2007 Chevrolet Tahoe

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Please post more info, what is the question?

Posted on Jul 30, 2013

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What is a fuel trim bank 1 on a 2006 xc90 volvo an whatvis a evap emission system switching valve mean


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    Jul 20, 2016 | 2006 Volvo XC90

    1 Answer

    Code p1443


    without knowing your make or model:

  • p1443
    Evaporative Emission Control System Control Valve
  • audi
    EGR Valve Position Sensor Signal Too Low
  • bmw
    Leakage Diagnostic Pump Control Circuit Signal High
  • ford
    EVAP Control System Purge Control Solenoid or Purge Control Valve Fault
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    EVAP System Tank Cap Missing
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    Evaporative Emission Control System Control Valve
  • lexus
    Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 2
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    Evaporative Emission Control System Large leak detected
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    EVAP Purge Control Valve 2 Circuit Malfunction
  • nissan
    Evaporative Emission Control System Control Valve
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    Evaporative Emission Control System Vent Control Function Problem
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    EVAP Purge Control Valve Malfunction- Stuck Open
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  • Dec 07, 2013 | 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

    Toyota echo won't start code 440 441 446


    Error Code: P0440
    Fault Location:
    Evaporative Emission (EVAP) System - Malfunction
    Possible Cause:
    Malfunction Indicator Lamp (MIL) active.
    Soution:
    Check Evaporative Emission (EVAP) System Sealing.
    Check Evaporative Emission (EVAP) Canister Purge Regulator Valve .
    Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve .

    Error Code: P0441
    Fault Location:
    Evaporative Emission (EVAP) System - Incorrect Flow Detected
    Possible Solutions:
    Check Evaporative Emission (EVAP) Canister Purge Regulator Valve .
    Perform Output Test.
    Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve .
    Check Evaporative Emission (EVAP) Canister.
    Perform Basic Setting.
    Check Pipes between Tank Breathing and Throttle Body.

    Error Code: P0446
    Fault Location:
    Evaporative Emission (EVAP) System, Vent Control - Circuit Malfunction
    Possible Cause:
    Wiring harness.
    Evaporative emission (EVAP) canister purge valve.
    Engine control module (ECM).

    Feb 25, 2013 | 2002 Toyota ECHO

    1 Answer

    Evaporative Emission Control System Purge Control Valve Circuit Opeat's your problem?


    Possible causes- Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted
    - Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection
    - Faulty Evaporative Emission (EVAP) Purge Solenoid Control

    Read more: http://engine-codes.com/p0444.html#ixzz296gIeNzB

    Oct 12, 2012 | 2001 Mercedes-Benz ML 320

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    I need the diagram/schematic of the vacuum tube layout of 2.0L DOHC


    Hello redeemer524,

    Below is the diagram. I hope this helps.

    netvan_94.png

    Regards,
    netvan

    Apr 14, 2011 | 1999 Mitsubishi Eclipse

    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

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    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

    3 Answers

    Need vaccum hose diagram for 1984 nissan pick up, hoses are bad and need to be replaced


    Check this diagrams....

    2fdd710.jpg

    Fig. 9: Emission control system vacuum diagram-1984 Z20 (49 States & Canada)


    258c624.jpg

    Fig. 10: Emission control system vacuum diagram-1984 Z24 (49 States & Canada except High Altitude)


    c2a4aa8.jpg


    Fig. 11: Emission control system vacuum diagram-1984 Z24 (49 States High Altitude)


    19be256.jpg

    Fig. 12: Emission control system vacuum diagram-1984 (Calif. w/MT)


    d15ad0e.jpg

    Fig. 13: Emission control system vacuum diagram-1984 (Calif. w/MT)


    Hope helps (remember rated this).

    Jul 22, 2010 | 1984 Nissan Pickup

    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

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