A new MAF sensor has been fitted to a 2016 Fiat Ducato, all wiring has been checked but the fault will not clear, what's causing it?

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Q - A new MAF sensor has been fitted to a 2016 Fiat Ducato, all wiring has been checked but the fault will not clear, what's causing it?

A - The sensor requires resetting using Jaltest before the fault code will be allowed to be cleared down.

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