Question about 1998 Buick Regal

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Vent solenoid location

Engine code P1646 showed

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No such code for that vehicle

Posted on Apr 16, 2014

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1 Answer

Whate code is p0498


which engine?,. we can not guess that. ever
ill answer for 3.6L engine.
Trouble Code: p0498
Evaporative Emission System Vent Valve Control Circuit Low
Number of Trips to Set Code: 2
Trouble Code Conditions:
EVAP canister vent solenoid valve control circuit is shorted to ground circuit.
Possible Causes:
  • EVAP canister vent solenoid valve and/or its circuit
  • ECM
that is what the FSM page shows. for DTCs
then shows what tests to do.
all that is in the FSM.
read it , do it or get it fixed by those that can.
here is a $4 day pass.
https://suzukipitstopplus.com/Products/1158-2008-xl7-service-manual.aspx


first check the fuses.
then do the tests.

Apr 11, 2014 | 2008 Suzuki XL7

2 Answers

1999 ford winstar v-6 3.8 l ! what is a canister vent solenoid, i got code #p1451 and where is it located


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.

Sep 11, 2012 | Ford Cars & Trucks

1 Answer

Code P1646 Evap emission vent valve output circiut


I would just replace the valve if the connector is ok and not corroded.

Aug 29, 2012 | Cars & Trucks

1 Answer

What do i need to fix with my 2002 buick rendevous diagnosis showing code # po449


P0449 BUICK Description The Engine Control Module (ECM) monitors the Evaporative Emission System (EVAP) Vent Valve/Solenoid system wiring for opens or shorts. Could be a problem with the vent solenoid or other component of the fuel tank venting system.

Read more: http://engine-codes.com/p0449_buick.html#ixzz21r2pw0wE

Jul 27, 2012 | Buick Cars & Trucks

1 Answer

Po449 0n 2006 chevy cobalt


P0449 control vent valve/solenoid circuit malfunction, This code necessarilly deal with replacing the vent solenoid it about the circuit,the evap vent solenoid circuit may have rub through on the frame (located on the back of the fuel tank),it can also be the connector,the vent solenoid itself,or the connector

Mar 24, 2012 | 2005 Chevrolet Silverado

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

3 Answers

Code 449? what is this,anyone. tks


Code po449 is for bad  solenoid vent valve.After replacing the valve  check for the   12 volts at the "pink" wire.
This error relates too 

The PCM has determined that a malfunction exists in the electrical circuit for the vent valve/solenoid in the evaporative emission control system.

Definition:
EVAP (Evaporative Emission System) purge/vent solenoid circuit condition

Explanation:
The solenoids and system wiring are monitored for opens or shorts

Probable Causes
1- Purge or vent solenoids defective.
2- Check connector and wiring.
3- Fuel saturated vapor canister.
4- Failed EVAP vent solenoid.


 --------

The cost of the vent solenoid valve is near to 30 bucks. And the valve is located near the gas tank.

Thanks. you can rate this solution and show your appreciation.

May 20, 2010 | 2005 Chevrolet Silverado

2 Answers

Service engine light keeps coming on. OBDII P0446


Hi

This engine code is related to a malfunction in the electrical circuit for the vent valve/solenoid in the evaporative emission control system.

Probable causes are;

1- Purge or vent solenoids defective.
2- Defective wiring or bad connections in the vent valve/solenoid circuit.
3- Fuel saturated vapor canister.
4- Failed EVAP vent solenoid.

These engine codes are useful indicators to where the fault lies but usually require further troubleshooting to fully determine the underlying cause.

However I have listed the probable causes so to give you a starting point for your investigations.

Hope this helps. Please remember to rate my answer. Thanks.

Jul 17, 2009 | 2000 Chevrolet Tahoe

1 Answer

Codes PO 442, 449 and 455


Check all vacuum lines from the gas tank to the evaporative charcoal cannister by the gas tank and to the purge valve located at the engine. Check the electrical connector at the vent solenoid which should be located on the charcoal cannister and purge valve solenoid by the intake manifold.

Jun 10, 2009 | 2003 Chevrolet Silverado 1500

2 Answers

Bad code p1646


P1646 - Evaporative Emission (EVAP) Vent Solenoid Control Circuit

Feb 19, 2009 | 2002 Jaguar X-Type

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