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Code #0644 Failed vent solenoid......how to fix?

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Code po449 2009 cobalt


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 connevtor and wiring
3- Fuel saturated vapor canister
4- Failed EVAP vent solenoid

Feb 17, 2013 | 2009 Chevrolet Cobalt

1 Answer

My 00 xterra had a code of po446


Trouble Code: P0446

EVAP Vent Control Solenoid Circuit Malfunction

Possible Causes:


Vent solenoid circuit open, shorted to ground or to power (B+).Vent control solenoid is damaged or has failed..PCM has failed.TSB 00-060 (7/00) contains information related to this code.Trouble Code: P0455

EVAP System Gross Leak (0.080") Detected

Possible Causes:


.EVAP control system pressure sensor is damaged or has failed.EVAP purge solenoid or canister vacuum line loose or off.EVAP purge solenoid is damaged or has failed.EVAP emission canister is dirty, restricted or full of water.EVAP canister vent control valve is damaged or has failed.Fuel tank cap loose, missing or it is the wrong part number.Fuel tank temperature sensor is damaged or has failed.Fuel tank vacuum relief valve is damaged or has failed.Large leak in the EVAP canister or in the fuel tank area.ORVR system is damaged or has a large leak in a component.Refueling control valve is damaged or has failed.Vacuum hose leaking between intake manifold and Purge valve.Here are the codes,take part back and get refund.

Dec 03, 2012 | Cars & Trucks

2 Answers

What does code po499 mean on my 2003 dodge 2500


Trouble Code: P0499

NVLD Canister Vent Solenoid Circuit High

Possible Causes:


NVLD canister vent solenoid control circuit is open or is shorted to power.NVLD canister vent solenoid ground circuit is open.NVLD canister vent solenoid is damaged or it has failed.PCM has failed.Mr. Perkins,here are the causes for the code.

Nov 28, 2012 | Cars & Trucks

1 Answer

Where is the vent solenoid for the 2005 montana sv6 fail code was p0449.


That will be your O2 sensor. It is tapped into your exhaust manifold. Very cheap fix. You can go to Autozone and get it It only takes five minutes to fix. Check it out.

Aug 04, 2012 | Pontiac Montana SV6 Cars & Trucks

2 Answers

P0446 code 1998 gmc jimmy how do I fix this? where is it located?


Hi there:

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




With a P0446 OBD-II trouble code, here are some things to try:
- Replace Vent valve
- Repair open, short, or resistance problem in control circuit
- Repair open, or short, or resistance problem in power circuit

- Replace PCM




Hope this helps.

May 30, 2012 | 1998 GMC Jimmy

1 Answer

Getting computer code p1665 fuel level output circuit. Fuel gauge appears to be shorting out because it is always reading full


CODE P1665 - EVAP VENT SOLENOID CONTROL CIRCUIT MALFUNCTION CONDITIONS.POSSIBLE CAUSES / VENT SOLENOID CONTROL CIRCUIT OPEN SHORTED TO GROUND OR TO SYSTEM POWER / VENT SOLENOID POWER CIRCUIT IS OPEN CHECK THE ENG CNTL FUSE / EVAP VENT SOLENOID IS DAMAGED OR HAS FAILED / PCM HAS FAILED.

Nov 04, 2010 | 1999 Oldsmobile Alero

1 Answer

Nissan frontier 2002 failed emissions test with code P0447 something to do with service engine soon light. how do i fix this?


CODE PO447 EVAP CANISTER VENT CONTROL VALVE CIRCUIT OPEN.POSSIBLE CAUSES. 1.HARNESS OR CONNECTORS THE SOLENOID VALVE CIRCUIT IS OPEN OR SHORTED. 2. EVAP CANISTER VENT CONTROL SOLENOID VALVE.

Jan 07, 2010 | 2002 Nissan Frontier Crew Cab

1 Answer

WHAT TO DO ABOUT TROUBLE CODES PO449 & PO141 ON 01 VENTURE


code is P0449

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 connevtor and wiring
3- Fuel saturated vapor canister
4- Failed EVAP vent solenoid


A code P0141 may mean that one or more of the following has happened:
  • open or short to ground in the wiring harness
  • O2 heater circuit wiring high resistance
  • O2 heater element resistance is high
  • Internal short or open in the heater element
Note: Typically a failed catalytic converter does not cause this code. You're more likely to see a P0420 code for a failed converter.
Possible Solutions
  • Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)
  • Repair short or open or high resistance in wiring harness or harness connectors

Oct 10, 2009 | 2001 Chevrolet Venture

1 Answer

Trouble code po449 2006 chevy avalanche


CODE PO449 -EVAP VENT SYSTEM PERFORMANCE CONDITION.POSSIBLE CAUSES. VENT SOLENOID CONTROL CIRCUIT IS OPEN OR SHORTED TO GROUND OR.VENT SOLENOID CONTROL CIRCUIT IS SHORTED TO SYSTEM POWER B+.OR VENT SOLENOID POWER CIRCUIT IS OPEN TEST THE ENG 1 FUSE.OR VENT SOLENOID IS DAMAGE OR HAS FAILED.OR PCM HAS FAILED.

Aug 19, 2009 | 2003 Chevrolet Silverado 1500

2 Answers

Engine trouble code 0499 2004 dodge dakota manual 5 speed 4.7 4x4


P0499 Evaporative Emission System Vent Valve Control Circuit High, REPLACE THE SOLENOID.

Jun 24, 2009 | 2004 Dodge Dakota

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