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Anonymous Posted on Feb 22, 2012

P0496 Fault Code Chevy Impala - 2003 Chevrolet Impala

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Anonymous

  • 2 Answers
  • Posted on Nov 12, 2009

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.

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Ricky Peters

  • 2620 Answers
  • Posted on May 02, 2011

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.

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What is code po496 for 2006 Buick rainier ?

codes are OBDll and available on line free..google P0496 code.

Can a loose gas cap cause code P0496?
Check the Gas Cap

The first thing you should check whenever your car has a P0496 code is your gas cap-make sure it's not loose because a loose gas cap can trigger a P0496.l

https://www.kbb.com/obd-ii/p0496/

https://www.yourmechanic.com/article/p0496-obd-ii-trouble-code-evap-flow-during-a-non-purge-condition-by-valerie-johnston
0helpful
1answer

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.
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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.
0helpful
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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.
1helpful
1answer

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
7helpful
2answers

P0496 code

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