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Re: Mercury Sable with a pesky P0401 EGR insufficient flow code
Posted to Technical Tips Forum on 10/24/2023 4 Replies

I wasn't aware of that. A long time ago I had a customer with a 3.8 that called the single port PFE sensor a "transmission shift sensor" because another shop replaced when it wasn't shifting properly. I told him it was an EGR sensor and he didn't believe me. H... Login to read more.

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