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Home >> Jeep >> 1996 >> Cherokee Classic, Part Time, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Engine Component Tests - 4.0L Engine >> Engine Sensors & Switches >> Manifold Absolute Pressure (Map) Sensor
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Manifold Absolute Pressure (Map) Sensor

  1. Inspect MAP sensor vacuum hose connections at throttle body and sensor. Replace or repair vacuum hose if necessary. Turn ignition on, with engine off. DO NOT disconnect MAP sensor connector.
  2. Using DVOM, measure voltage between terminals "A" (ground circuit) and "B" (supply circuit) at MAP sensor connector. See Fig 1 . Voltage should be 4-5 volts. If voltage is 4-5 volts, replace MAP sensor. If voltage is not 4-5 volts, repair wiring harness as necessary.
Fig 1: Identifying MAP Sensor Connector Terminals (All Models)
G96A01882Courtesy of CHRYSLER CORP.
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