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International Automotive Technicians Network
Re: Evap large leak and low purge codes
Posted to Technical Tips Forum on 7/26/2018

Verifying the Purge operation is always my first step in EVAP diagnosis. Even if it's not a "Large Leak" code. It's kind of like checking a fuse on an electrical problem.

Just be mindful that some makes will disable the purge valve at idle even if you comman... Login to read more.