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I noticed this tick be often thinking it was just my injectors doing what they do. But it's getting very loud now and starting to cause concern. I literally just had it at the dealer yesterday for a different problem and they didn't say anything about this. Can anyone easily diagnose this from the video below?

https://m.youtube.com/watch?v=pVx8wlXLlVc
 

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EVAP purge valve needs to be replaced. Round canister on top of the intake manifold. $20 and 5 minutes of your time to change.
 

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EVAP purge valve needs to be replaced. Round canister on top of the intake manifold. $20 and 5 minutes of your time to change.
This. Lots of GM cars make this noise. The 1.4 REALLY doesn't like vacuum leak issues, and the Purge sticks open, and makes that noise. For absolute certainty of this, unplug the purge valve, take it off, and try blowing through it. If you can blow through it, the valve is stuck open. When idling, the purge valve defaults to about 15% duty cycle, so has to be unplugged to perform this test.
 
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