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Keeps throwing codes P1447 and P0446

Replaced the purge valve and pulled canister to be certain it was working properly. noticed that there is a place at the side of Vent control valve that takes a plug in but there is no plug in the engine bay that would fit there.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 312 Answers

SOURCE: Getting an engine code 1450 on a 2003 ford

Did you check the block box connected to the vent solenoid? There's a hose that comes off it that appears to run nowhere, that's the fresh air vent. If it's blocked it won't allow air into the system which will set the trouble code. If that's clear, the vent solenoid itself is bad and needs to be replaced.

Posted on Jun 27, 2010

  • 11 Answers

SOURCE: Failed emission test, presented code

A possible answer to your problem is that the Hyundai / Kia model lines have had extensive problems with the fuel tank pressure sensor. Most notably on the Sorento and Santa Fe lines. The car models have had problems with the leak detection pump. Sounds like you are describing a Sorento as this is the code they set and quickly, if so 99% sure the pressure sensor is reading slightly high at all times and setting the code.

Posted on Aug 22, 2010

HD Road King
  • 70 Answers

SOURCE: 2006 gmc sierra 1500 4.3 . check engine light on.

More than likely the evaporator vent valve.

Posted on Sep 28, 2010

csmock132
  • 4669 Answers

SOURCE: getting an error code of PO449 for a check engine

You are right. You need the vent valve not the purge valve. The vent valve is a dealer item. Also this is a common problem and GM has released a bulletin on this that involves moving the location of the valve and running some new lines. It comes as a kit from GM, and it costs about a 100 bucks.

Posted on Dec 02, 2010

  • 4977 Answers

SOURCE: have a 2004 Avalanche, Problem

it sounds like you may have a fuel tank vent valve staying closed causing pressure in the tank when filling up.

Posted on May 22, 2011

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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

1 Answer

Where is the purge control valve located on 1998 nissian pathfinder


Location should be back by the fuel tank.

first off, the P1447 DTC is triggered when the EVAP control system isn't operating properly or there is a leak between the intake manifold and the pressure sensor. the parts between the pressure sensor and intake manifold are:

1. EVAP canister purge control solenoid valve
2. EVAP canister purge control valve
3. EVAP canister purge volume control valve (Part # 14930-3M201) YOU WILL HAVE TO DOUBLE CHECK ON THE PART NUMBER WITH THE DEALER FOR THE PRICE.

If you've received this P1447 DTC, chances are that the brick of charcoal in the canister has fallen apart over time, and filled the lines with charcoal. this affects parts 2 & 3 from the above list, and of course the EVAP canister (Part # 14950-1s717 $144.22). but when you replace the canister, you have to replace the EVAP canister vent control valve (part # 14935-54u06 about $100), and don't forget the o-ring (part # 16618-40u00 about $1.60) that goes between the canister and the vent control valve.

If you attack this DTC early enough, all you have to replace is the canister and vent control valve with the o-ring, which will add up to under $300 MSRP...a lot better than paying upwards of $1000 for parts and labor. Don't be scared to do it, it's actually quite simple.

D

Sep 28, 2015 | Cars & Trucks

1 Answer

My 06 cobalt has these codes can anyone tell me what they mean? Are they an expensive fix? p0446,p0455, p0172


code p0446 refers to evaporative emission (EVAP) system-vent control-circuit malfunction===causes --wiring--EVAP canister purge valve--ECM
code p0455 refers to EVAP system-large leak detected===causes --hose connections--intake leak--EVAP canister---EVap canister purge valve
code p0172 refers to system too rich, bank 1===causes intake blocked---EVAP canister purge valve--fuel pressure ---EGR system---injector/s ---ECM
because the EVAP purge valve appears in all codes I would be inclined to change that unit first the run the fault codes again

Jul 23, 2015 | 2006 Chevrolet Chevrolet Cobalt LT

1 Answer

Definition of po1441 trouble code


P1441 Evaporative emission control system very small leak, positive pressure.
The problem may be that the purge control valve which is part of the charcoal canister has a slight leak.
If the control valve doesn't completely close, there will be flow during non-purge.
Vacuum drawn through the small hose to the charcoal canister is what opens the purge control valve.
Make sure that there is no vacuum to the smallest hose connected to the canister at idle.
Make sure the little hose is not kinked or pinched in some way that would hold vacuum to the purge control valve.
The canister is purged above 35 MPH, never at idle.

P0446 EVAP canister vent valve

The P1441 and P0446 are related.
When you fix the P1441 the P0446 may go away also or it may need a new vent valve.

Jul 22, 2014 | Cars & Trucks

1 Answer

P0446 s10 blazer


code p0446 refers to evaporate emission (EVAP)system-vent control--circuit malfunction===causes--wiring--EVAP--canister purge valve--ECM
replace the purge valve

Dec 30, 2013 | Cars & Trucks

1 Answer

What does code p1447 mean ...???


The code says "evap purge flow monitor fault"
Possible causes include ...
- EVAP canister purge volume control solenoid valve stuck closed.
- EVAP control system pressure sensor and its circuit.
- Loose, disconnected, or improper connection of rubber tube.
- Blocked rubber tube.
- Blocked or bent rubber tube to MAP/BARO switch solenoid valve.
- Cracked EVAP canister.
- EVAP canister purge volume control solenoid valve.
- Closed Throttle Position Switch.
- Improper connection of one-way valve.
- Blocked purge port.
- EVAP canister vent control valve.


This is a "jackpot" code. It points to so many possible causes as to be almost useless.

Feb 15, 2013 | 1996 Nissan Maxima

1 Answer

2004 BMW 325i I have a code p1447 do you know were to fix?


Fault codes do not have a single reason for being set, there are multiple reasons. here is the info you need to know about this code.
P1447 - Evaporative Emission Control System Purge Flow Monitor
Possible causes- EVAP canister purge volume control solenoid valve stuck closed
- EVAP control system pressure sensor and the circuit
- Loose, disconnected or improper connection of rubber tube
- Blocked rubber tube
- Cracked EVAP canister
- EVAP canister purge volume control solenoid valve circuit
- Closed throttle position switch
- Blocked purge port
- Closed throttle position switch

Jun 13, 2012 | Cars & Trucks

1 Answer

It is coming up with p440 code


P0440 - Evaporative Emission Control System Malfunction

This indicates that a part of the EVAP control system is no longer fuctioning correctly. The EVAP system consists of many parts, including (but not limited to) the gas cap, fuel lines, carbon canister, purge valve, and other hoses. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.

Symptoms: You likely won't notice any drivability problems.

Causes: A code P0440 could mean one or more of the following has happened:
* The gas cap is not installed or working properly
* The purge solenoid has failed
* The canister is plugged and not working properly

Possible Solutions: With a P0440 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try:
* Remove and reinstall the gas cap, clear the code, and drive for a day and see if the codes come back.
* Inspect the EVAP system for cuts/holes in tubes/hoses
* Inspect for damaged or disconnected hoses around the Evap purge solenoid
* Check and/or replace the sensor
* Check and/or replace the purge valve
* Have a professional use a smoke machine to detect leaks

Other EVAP DTCs: P0440 - P0441 - P0442 - P0443 - P0446 - P0453 - P0455 - P0456

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Feb 01, 2011 | Chevrolet Venture Cars & Trucks

2 Answers

I have a code P1447 Evap purge flow monitor on my 97 Pathfinder. What is and how do I correct this issue?


P1447 - Evaporative Emission (EVAP) Control System, Purge Flow Monitor
In this evaporative emission (EVAP) control system, purge flow occurs during non-closed throttle conditions. Purge volume is related to air intake volume. Under normal purge conditions (non-closed throttle), the EVAP canister purge volume control solenoid valve is open to admit purge flow. Purge flow exposes the EVAP control system pressure sensor to intake manifold vacuum.

Under normal conditions (non-closed throttle), sensor output voltage indicates if pressure drop and purge flow are adequate. If not, a fault is determined. Malfunction is detected when EVAP control system does not operate properly, EVAP control system has a leak between intake manifold and EVAP control system pressure sensor.

Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)

Possible causes
* EVAP canister purge volume control solenoid valve stuck closed
* EVAP control system pressure sensor and the circuit
* Loose, disconnected or improper connection of rubber tube
* Blocked rubber tube
* Cracked EVAP canister
* EVAP canister purge volume control solenoid valve circuit
* Closed throttle position switch
* Blocked purge port
* Closed throttle position switch


Test is and send us your updated.

Jan 14, 2011 | 1998 Nissan Pathfinder

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