Question about 2004 Pontiac Sunfire

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My check light comes on.....the problem PO496 EVAP EMISSION HIGH PURGE FLOW FAULT

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  • Anonymous Mar 17, 2014

    emission control system purge valve c fault

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  • Pontiac Master
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P0496 refers to vapor canister problem. it may even be a loose or bad fuel cap. if it is the cap. the light will go out after a few miles driven. if the cap is on tight. loosen it then see if light goes out.

Posted on Oct 08, 2010

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Posted on Jan 02, 2017

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I HAVE 2005 CHEVY EQUONIX CHECK ENGINE LIGHT ON HAS CODE-PO455 & PO496 (HELP)


P0455- Evap Emission Ctrl Sys Gross Leak Detected
P0496 Evaporative Emission Sys High Purge Flow
This is the 2 codes you requested and they say you have a leak in the emission sys.

Apr 19, 2017 | Cars & Trucks

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Codes number po496


code p 0496 refers to evaporative emission system---high purge flow===causes --wiring--EVAP valve ---mechanical fault

Feb 15, 2016 | 2008 GMC Acadia

1 Answer

Code po496 how can i fix it


code p0496 refers to evaporative emission system--high purge flow===causes--wiring--EVAP valve--mechanical fault
check that the cap is on correctly
replace EVAP valve

Apr 09, 2015 | Cars & Trucks

1 Answer

Had my car checked because engine light was on came up with PO496 What does this mean?


code p0496 refers to evaporative emission system--high purge flow===causes--wiring--EVAP valve--mechanical fault
check that the cap is on tight
change the purge valve.

Mar 11, 2015 | 2008 Saturn VUE

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

Check engine light up


DTC P0496 - EVAPORATIVE EMISSION (EVAP) SYSTEM FLOW DURING NON-PURGE

SYSTEM DESCRIPTION
This DTC tests for undesired intake manifold vacuum flow to the evaporative emission (EVAP) system. The control module seals the EVAP system by commanding the EVAP canister purge valve Closed and the EVAP canister vent valve Closed. The control module monitors the fuel tank pressure (FTP) sensor to determine if a vacuum is being drawn on the EVAP system. If vacuum in the EVAP system is more than a predetermined value within a predetermined time, this DTC sets.

THIS CODE ID FOR A 3.6L engine

Aug 07, 2012 | 2006 Cadillac CTS

1 Answer

I need know what the code PO496 is for my engine trouble light


P0496 code is : EVAP Emission High Purge Flow Fault

Feb 06, 2012 | 2004 Buick Rendezvous

3 Answers

What is code PO496 and PO455 for a 2007 Pontiac Grand Prix mean


P0496 is not alisted code.
P0455 - Evaporative Emission Control System Leak Detected Gross Leak (fuel vapors)
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Possible a noticeable fuel odor caused by the release of fuel vapors Possible causes - Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking

Jan 24, 2012 | 2007 Pontiac Grand Prix GXP Sedan

2 Answers

P0441 EVAP Control System Incorrect Purge Flow


Error Code: P0441
Fault Location:
Evaporative Emission (EVAP) System - Incorrect Flow Detected
Possible Cause:
Malfunction Indicator Lamp (MIL) active.
Evaporative Emission (EVAP) Canister Purge Regulator Valve faulty/jammed.
Evaporative Emission (EVAP) Canister Purge Solenoid Valve faulty/jammed.
Evaporative Emission (EVAP) Canister Sealing faulty.
Pipes between Tank Breathing and Throttle Body leaky/blocked.
Hose connection(s).
Intake leak.
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.
VSV connector near air filter box disconnected.

Jun 15, 2009 | 1996 Chevrolet Monte Carlo

3 Answers

What is PO496 code? I've got a PO171B also, which I'm assuming is dirty an O2 sensor.


2007 cobalt and am getting P0496 code as well. would love to know what is cause!

Apr 30, 2009 | Chevrolet Cobalt Cars & Trucks

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