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P0496 Fault Code Chevy Impala - 2003 Chevrolet Impala

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2002, chevy impala 3.4 v6. wont pick up speed.

Had the same issue with my 2002 Impala. The solution was to replace a clogged or defective catalytic converter. There is a "Special Policy Adjustment # 05551 that will replace the converter for any owner, 2001 and 2002 3.4 or 3.8 engine, several GM models, up to 10 years old, and up to 120,000 miles. No charge if done by GM dealer and/orreimbursd if done by another mechanic or self.

Posted on Nov 12, 2009

redds55
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SOURCE: 2005 Chevy Equinox with a check engine light.

Check for loose fuel tank cap tighten then reset computer and see if code comes back.

Posted on May 02, 2011

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2013 Chevy Impala w/ 71,000 miles with engine light on. Diagnostic codes of P0442, P0455, P0496. Replaced gas cap with another factory gas cap.


Well you were on the right track, but there's more to the system than just the gas cap.
Code 442 is for a small leak, 455 is for a large leak, and 496 is for flow during non-purge. That last code means something was letting air flow in the venting system to the vapor canister when the system should have been closed.
It could be a purge valve or other component.
And it could still be under factory warranty.

Sep 30, 2015 | Cars & Trucks

1 Answer

Check engine code p0496 2009 mailbu


code p0496 refers to evaporative emission system-high purge flow ===causes --wiring--EVAP valve--mechanical fault.

Check hoses and replace the valve.

Aug 17, 2014 | Cars & Trucks

1 Answer

What is a p0496 error on a 2006 buick lacrosse cxs


The P0496 DTC code is a generic code which applies to all vehicle makes. A quick search on the 'net shows that this code seems to be more common with GM (Chevy, Pontiac, etc.) vehicles. In Acura, Honda, Hyundai, Kia, and Mazda vehicles, this code is described "EVAP system high purge flow" which is the same thing.
try use maxiscan us703 to clear the fault code.

Jul 01, 2012 | 2006 Buick LaCrosse CXS

1 Answer

2005 Suzuki Forenza, check engine light is on with fault codes reading P0488 and P0496. Can't get a good explanation of what the cause may be. Any insight would be greatly appreciated.


code P0488 exhaust gas recirculation closed valve pintle error ( EGR Valve ) most likely replace the valve.

code P0496 evaporative emission system continuous purge flow. could be many things, Gas cap, purge valve , purge canister, probably need to have this one check by the dealer.

Jul 01, 2011 | 2005 Suzuki Forenza

1 Answer

I get the code PO496 on my 2006 GMC Envoy. I have replaced the gas cap and cleared the code but it comes back. Any thoughts?


Related Searches: GM Parts - GM History - GM Diagnostic Codes - More... Web Results 1-10 of 266 Code P0496 - Evap system error - SaturnFans Forums
Reading on the P0496 code, I don't know for certain that the solenoid on the manifold is your problem. On my Impala and

Feb 27, 2011 | GMC Envoy XL Cars & Trucks

1 Answer

2007 saturn ION2 Has engine fault code P0496


P0496 - Evaporative Emission (EVAP) System Flow During Non-Purge most likely the canister vent valve or purge solenoid is stuck open.

Sep 25, 2010 | 2007 Saturn ION-2 Quad Coupe

2 Answers

P0496 code


possible sticking purge valve P0496-evap emissions high purge flow fault

Jan 21, 2010 | 2007 Hyundai Accent GS Hatchback

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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