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Home >> Ford >> 1991 >> Explorer 2D Utility, 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> Sensor Range Charts >> Engine Controls - Sensor Operating Range Charts >> Manifold Absolute Pressure (Map) Sensor
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Manifold Absolute Pressure (Map) Sensor

MAP SENSOR SPECIFICATIONS

Manifold Vacuum (In. Hg) (1) Frequency (Hz)
0 159
3 150
6 141
9 133
12 125
15 117
18 109
21 102
24 95
27 88
30 80
(1) Frequency value may vary by 15 percent.
MAP SENSOR VOLTAGE OUTPUT

Elevation (Feet) Volts
0 1.55-1.63
1000 1.52-1.60
2000 1.49-1.57
3000 1.46-1.54
4000 1.43-1.51
5000 1.40-1.48
6000 1.37-1.45
7000 1.35-1.43
MAP/BP SENSOR SPECIFICATIONS

Barometric Pressure (In. Hg) (1) Frequency (Hz)
17.1 122.4
18.3 125.5
19.5 128.7
20.7 131.9
21.8 135.1
23.0 138.3
24.2 141.8
25.4 145.4
26.6 148.9
27.7 152.5
28.9 156.1
30.1 159.6
31.0 162.4
(1) Frequency value may vary by 15 percent.