Question about Toyota ECHO

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Replace purge Vapor Canister Vent Solenoid can be replace with out change the hole canister ,toyota echo 2000 code p0446..

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  • 162 Answers

On almost every car it is available separate, but aftermarket for the corolla you have to buy the complete canister. Not sure if is the same for echo. Try the dealer

Posted on Oct 20, 2013

Testimonial: "ok i going to check the dealer for it, thanks for your help.."

  • vito deluca
    vito deluca Oct 20, 2013

    ok i going to check the dealer for it, thanks for your help.."

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Posted on Jan 02, 2017

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SOURCE: 2004 Pontiac Grand Prix Evaporative Canister

you should be able to fix it look for a can near the fuel tank that has vacuum hoses coming out of it and you should be able to just buy the bad solenoid

Posted on Nov 03, 2008

  • 37 Answers

SOURCE: HAVE A TROUBLESHOOTING MESSAGE PO446

DTC P0446 Evaporative Emission (EVAP) Vent System Performance

The vehicle control module (VCM) monitors the performance of the evaporative emission (EVAP) system by applying a predetermined level of vacuum to the EVAP system and monitors the vacuum decay rate. The VCM sets this diagnostic trouble code (DTC) if the vacuum decay rate is more than a predetermined value. The VCM monitors the amount of vacuum and the amount of pressure in the EVAP system by monitoring the fuel tank pressure sensor. For this DTC, the VCM turns ON both the EVAP purge valve and the EVAP vent valve when the Conditions for Running the DTC are met. This applies an engine vacuum to a closed EVAP system. The VCM turns OFF both the EVAP purge valve and the EVAP vent valve when the system reaches a correct amount of vacuum. The EVAP system should quickly RELEASE the vacuum in the EVAP system with the EVAP purge valve OFF and the EVAP vent valve OFF (open). This test indicates a blocked or restricted EVAP vent path if the EVAP system fails to release the vacuum quickly enough.

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Posted on Dec 06, 2008

johnjohn2
  • 5763 Answers

SOURCE: my 2002 toyota sienna has evap system malfunction

You are on the right track, you replaced the vent valve and replaced the vsv valve in the engine compartment that should of solved the problem as long as the correct valves were replaced, i would check for a leak in a hose for the evap system, a smoke test would be a good way, the canister may not be the problem but the valves on the canister, there are a few vsv valves on the canister and also the pressure sensor, the switching valve is very common also, there are so many valves thats why the dealer replacing the canister as an asm, hope this helps also make sure gas cap is good.

Posted on Jan 07, 2011

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3 Answers

Code po446 what is it


Its what is called the EVAP. system the code is for the vent solenoid .Gas vapor in a vacuum is drawn from the fuel tank when this vent is commanded to be open drawn into a canister filled charcoal and stored until the canister purge solenoid is commanded to open .
This happens when the engine speed is at a higher RPM level and is supposed to send the vapor to the engine to be burned instead of VOC'S going into the atmosphere .But its a crazy lie the last time I filled up more VOCS got into the atmosphere then a gas tank vent could do in 6 month or so .
You can try cleaning the filter in the vent solenoid it might work but the part is about 70 dollars its in the rear between the tank and the canister look for hoses .

Jun 18, 2016 | 2006 Chevrolet Impala

1 Answer

Where is purge valve located?


How to test and replace the EVAP Canister Purge Volume ...

? 13:49
https://www.youtube.com/watch?v=QnVUBYdFHGI
Mar 29, 2014 - Uploaded by CarsNToys
The EVAP canister purge control volume control valve is operated by a step motor for control of flow rate of fuel vapor fromEVAP canister.

How To Install Replace Vapor Canister Solenoid Purge ...

? 2:14
https://www.youtube.com/watch?v=TZ6ZB_acC9w
Sep 16, 2014 - Uploaded by 1A Auto Parts
http://www.1aauto.com/vapor-canister-purge-solenoid-valve-ac-delco- ... How To Test and Replace EVAP Canister Vent ControlValve P0446 ...

EVAP Purge Solenoid Removal - YouTube

? 4:24
https://www.youtube.com/watch?v=Xj605HENFno
Feb 26, 2008 - Uploaded by richpin06a
EVAP Purge Solenoid Removal Saturn S-series. ... How To Test and Replace EVAP Canister Vent Control Valve P0446 - Duration: 6:18. by ...


Dec 18, 2015 | Cars & Trucks

2 Answers

Code po 441 and po 446 what does these mean 2000 toyota tundra


A code P0441 could mean one or more of the following has happened:

Bad vacuum switch Broken or damaged EVAP line

canister Open in PCM purge command circuit

Open short in Voltage feed circuit to Purge Solenoid

Faulty purge solenoid

Restriction in EVAP solenoid, line or canister

Corrosion or resistance in purge connector

Bad PCM




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

Jul 03, 2014 | 2000 Toyota Tundra

1 Answer

Hello there,my 2001 echo is lighting up trouble codes p0440 p0441 p0446; how and where should i start?


code p0440 refers to evaporative emission (EVAP) system--malfunction=== causes --hose connections --intake leak--EVAP canister purge valve
code po441 refers to EVAP --incorrect flow detected==causes the same as for po440
code po446 refers to EVAP system vent control --circuit malfunction===causes --wiring---EVAP can purge valve--ECM
generally I would replace the purge valve as it is common to all codes

Feb 03, 2014 | 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

Have codes P0441, P0442, and P0446. What could be the problem?


this obd2 trouble code table can help you understand the meaning of code.
and for p0441, you can try:
Repair damaged EVAP lines or canister.

Repair open or short in voltage feed circuit to Purge Solenoid.

Repair open in PCM purge command circuit.

Replace purge Solenoid.

Replace vacuum switch.

Repair restriction in Evap line or canister or soleniod.

Repair resistance in purge connector.

Replace PCM.

for p0442

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.

Aug 15, 2011 | 2003 Toyota ECHO

1 Answer

P0446 ford escort 98


This Pinpoint Test is intended to diagnose the following:
  • Canister vent (CV) solenoid (9F945) (electrical concern only)
  • Fuel filler cap (9030)
  • Fuel tank pressure (FTP) sensor (9C052)
  • EVAP canister tube (fuel tank to EVAP canister)(9A228)
  • Fuel canister purge outlet tube (EVAP canister to EVAP canister purge valve) (9D661)
  • EVAP return tube (EVAP canister purge valve to intake manifold) (9G271)
  • EVAP canister purge valve (9C915)
  • Vacuum source line (input port vacuum to intake manifold)
  • Harness circuits: CV, FLI, FTP, EVAP Canister Purge Valve, SIG RTN, vehicle power (VPWR), reference voltage (VREF) and power ground (PWR GND)
  • Powertrain control module (PCM) (12A650)
This Pinpoint Test is used as an assistance in diagnosing the following EVAP components:
  • EVAP canister and bracket assembly (9E857)
    • EVAP canister sleeve assembly (fitting)(9D925)
    • Canister vent (CV) solenoid - hose assembly (9F976 or 9K318)
    • EVAP canister (9D653)
    • Canister vent (CV) solenoid (9F945)(mechanical concern only)
  • Fill limit valve assembly (9A086)
  • Fuel filler pipe flapper valve (9B085)
  • Fuel filler pipe check valve (9189), assembly (9285)
  • Fuel tank filler pipe (9034)
  • Fuel tank assembly (with fuel vapor vent valve) (9K007)
  • Fuel tank assembly (without fuel vapor vent valve) (9002)
  • Fuel vapor control valve (9B190)
  • Fuel vapor vent valve (9B593)
  • Liquid/vapor fuel discriminator (9G332)
  • On-board refueling vapor recovery (ORVR) T - connector assembly (9S314)
Description For additional information on the Evaporative Emission (EVAP) System, refer to Section 1A .
For additional information on the Evaporative Emission System Monitor, refer to Section 1A .
Pinpoint Test Schematics Escort/Tracer (2V)
aa3060b.gif

May 28, 2011 | 1998 Ford Escort

3 Answers

2000 Ford Expedition My Expedition (4.6L V-9 2WD) has had an intermittent problem of cutting out. The Check Engine light was not coming on - so I figured it is not a misfire. It drove just like it had...


Continuous Memory Diagnostic Trouble Code (DTC) P0446 or P1450 indicates that Self-Test has detected the Evaporative Emission Control System has excessive fuel tank vacuum. Also, a DTC P0446 indicates a vent control malfunction.

Possible causes:

EVAP canister purge outlet tube (EVAP canister purge valve to EVAP canister) blockages or kinks.

EVAP canister tube (fuel tank to EVAP canister) blockages or kinks.

Fuel vapor elbow on EVAP canister contaminated.

Restricted EVAP canister.

Canister vent (CV) solenoid stuck closed (partially or fully).

Plugged or contaminated CV solenoid filter.

EVAP canister purge valve stuck open.

Fuel filler cap stuck closed (no vacuum relief).

VREF circuit open in fuel tank pressure (FTP) sensor.

Damaged FTP sensor. (fuel tank pressure)

Check for kinks or bends in the fuel vapor hoses/tubes (EVAP canister purge outlet tube and EVAP canister tube).

Visually inspect EVAP canister inlet port, CV solenoid filter and canister vent hose assembly for contamination or debris.

Check CV solenoid filter for blockage or contamination.

The common things I've seen are are mud in the canister and the canister vent solenoid being shot or the wiring to the canister vent solenoid being torn off. The resistance of the solenoid should be 48-65 ohms..
Pick up a Chiltons book and will give you a diagram of where exactly you find the canister. They are like $15 at any auto store. Good luck

May 22, 2011 | 2000 Ford Expedition

1 Answer

My taurus failed due to code p0442 ecap emiss ctl sys leak detected (small leak)


    Continuous Memory Diagnostic Trouble Code (DTC) P0442 indicates that a fuel vapor leak has been detected [as small as 0.10 cm (0.04 inch)] in the Evaporative Emission (EVAP) system.
    Note: Prior to performing the following diagnosis inspect the Canister Vent Solenoid (CV) for contamination. A situation may exist where contamination holds open the Canister Vent (CV) solenoid enough to set DTC P0442 and also plugs the port to atmosphere enough to keep system from being vented quickly.
    • After market parts and accessories nonconforming to the EVAP system specifications.
    • Damaged, cross threaded or loosely installed fuel filler cap.
    • Small holes or cuts in fuel vapor hoses/tubes (EVAP canister tube, EVAP canister outlet tube or EVAP return tube) in the EVAP system.
    • Loose fuel vapor hose/tube connections to EVAP system components.
    • EVAP system component [EVAP canister purge valve, fuel tank pressure (FTP) sensor, canister vent (CV) solenoid, fuel vapor control valve tube assembly or fuel vapor vent valve assembly] seals leaking.
    • CV solenoid partially open when commanded closed.
    • EVAP canister leaking.
  • Check for presence of fuel filler cap.
  • Verify that the CV solenoid is properly seated on the EVAP canister (if possible).
  • Visually inspect for cut or loose connections to fuel vapor hoses/tubes in following locations:
    • EVAP canister to EVAP canister purge valve.
    • EVAP canister to fuel vapor vent valve assembly.
    • fuel vapor control valve tube assembly to fuel tank (if applicable).

Jun 26, 2008 | 1997 Ford Taurus

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