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Re: Mercury Sable with a pesky P0401 EGR insufficient flow code
Posted to Technical Tips Forum on 10/24/2023 1 Reply

Yeah I replaced a ton of those PCV hoses back in the day. You're absolutely right about the low quality. No reinforcement at all. Most failed in the bend of the elbows where it was difficult to see. Most weren't that difficult to get to. Besides the 4.6 , I re... Login to read more.

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