The engine may include {TAIL ~ an intake manifold pressure sensor} configured to produce the measured boost pressure value and {HEAD ~ an ambient pressure sensor} 
The engine may include { TAIL ~ an intake manifold pressure sensor } configured to produce the measured boost pressure value and { HEAD ~ an ambient pressure sensor }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD