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Re: Why replace both of these parts? (Prius, C1391)
Posted to Technical Discussion Forum on 6/9/2025

Barry, I don't know. Do you have access to the Toyota SI, whether straight from Toyota or as re-supplied through an aftermarket source?

Any code(s) stored?

I don't know the answer, but I'm thinking that system description and operation might clarify this f... Login to read more.