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What if the evap purge valve never opened? Hypothetical question... 850 1995

posted by  TimeToBakeTheDonuts on  Thu Jul 19 05:53 CST 2007
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last visit: Thu Aug 29 16:10 CST 2013
[RELATED]

My evap purge valve seems to work quite well. As I revved the engine, I could see the voltage varying continuously to the valve, and the vacuum similarly varies smoothly and continuously at the charcoal canister.

Even though I am still trying to get the bottom of my apparent minor flooding issue (and CEL) the thought crossed my mind:

If the evap purge valve *never* opened, what would the impact on performance be? Any thoughts?

Thanks, Don






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