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FUEL SYSTEM (DFI) 3-69
Atmospheric Pressure Sensor (Service C ode 15)
If you know the local atmospheric pressure using a
barometer, substitute the atmospheric pressure for throt-
tle vacuum pressure in the inlet air pressure sensor chart
(see Inlet Air Pressure Sensor section). And get the
usable range of the atmospheric pressure sensor output
voltage and check if output voltage is within the standard
or not in the same way as Output Voltage Inspection of
the inlet air pressure sensor.
If you know the local altitude, use the following chart.
Atmospheric Pressure/Altitude Relatio nship
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