MEFI Fuel Injection
IAFM T/MAP Circuit
The T/MAP on the IAFM engines (4.3L, 5.0L and 5.7L MPI) works the same way as an 8.1L MAP except the IAFM engines incorporate the IAT in the MAP sensor. The MAP and the IAT share the sensor return (ground). IAT functionality is discussed later in this book.
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