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Howdy Folks,

I signed up looking for help with a P0496 code on my wife's 06 CTS.

I never found a definitive answer, so I thought I would provide what I found.

On her car I ended up replacing the Evap purge solenoid located on top of the engine, passenger side, at the back.

The simple test I used was to remove the solenoid and blow through it.

If you can easily blow through it, it needs to be replaced.

This is just for everyones future info.

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Thanks for the follow-up and congrats on the fix.

For future searchers: P0496 Evap Emission high---purge flow fault


2016 Cadillac ATS-V gray/black

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