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DTC P0108: Manifold Absolute Pressure (Map)/Barometric Pressure (BARO) Sensor High

P0108 - MANIFOLD ABSOLUTE PRESSURE (MAP)/BAROMETRIC PRESSURE (BARO) SENSOR HIGH

Description:  Sensor operating voltage is greater than 4.96 volts. As a result it failed above the maximum allowable calibrated parameter.
Possible Causes: 
  • VREF circuit short to voltage
  • MAP circuit open or short to voltage
  • Open circuit
Diagnostic Aids:  The VREF voltage should be between 4.0 and 6.0 volts.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
F-150 3.5L,
Flex 3.5L GTDI,
MKS 3.5L,
MKT 3.5L,
Taurus 3.5L
GTDI
GO to PINPOINT TEST DN .
All others GO to PINPOINT TEST DM .