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Re: Purge valves! Why are so many failing?
Posted to Technical Discussion Forum on 4/7/2021

I imagine that a lot has to do with all the chemicals that the valve's internals are exposed to. Marinade in the ever changing witches brew that is fuel vapor, add some PCV fumes on the intake side. Vibrate, cook over many thermal cycles- then hot soak to perf... Login to read more.