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

Its entirely due to duty cycle.

Contemporary purge valves are being asked to open and close more times per unit of time and with a much lower latency and dwell than before. They are operating at fuel injector current rates without the hardiness and relativel... Login to read more.