Grand Caravan FWD V6-181 3.0L SOHC (1993)
Manifold Pressure/Vacuum Sensor: Specifications
Vacuum in Inches of Mercury
MAP sensor Signal Voltage
.39 in Hg ............................................................................................................................................................................ 4.90 V
3.34 in Hg ........................................................................................................................................................................... 4.60 V
6.30 in Hg ........................................................................................................................................................................... 3.60 V
9.25 in Hg ........................................................................................................................................................................... 3.10 V
12.20 in Hg .......................................................................................................................................................................... 2.60 V
15.15 in Hg .......................................................................................................................................................................... 2.10 V
18.11 in Hg .......................................................................................................................................................................... 1.60 V
21.06 in Hg .......................................................................................................................................................................... 1.10 V
24.01 in Hg ........................................................................................................................................................................... .60 V
26.97 in Hg ........................................................................................................................................................................... .31 V
Condition ............................................................................................................................................................................... Expected Output Voltage
High Vacuum (Idle/Deceleration) ............................................................................................................................................................. 0.5 to 1.5 volts
Medium Vacuum (Cruise/Slight Acceleration) ......................................................................................................................................... 1.5 to 3.0 volts
Low Vacuum (Hard Acceleration/Mechanical Failure) ............................................................................................................................. 3.0 to 4.5 volts
NOTE: Any reading of 0 volts or over 5 volts indicates a problem in the MAP sensor circuit.
