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Home >> Cadillac >> 1998 >> Eldorado Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P0105 - Map Sensor Circuit Insufficient Activity >> Diagnostic Procedures
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Diagnostic Procedures

  1. Perform POWERTRAIN ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK , then go to next step.
  2. Using scan tool, select FREEZE FRAME function under DTC mode. Note MAP value reading. If MAP value is .08 volt or less, perform DTC P0107 tests. If MAP value is not .08 volt or less, go to next step.
  3. If MAP reading is 5.06 volts or greater than the value specified instep 2), perform DTC P0108 tests. If MAP reading is not 5.06 volts or greater, go to next step.
  4. Check terminal contact at MAP sensor connector and PCM. Repair as necessary and verify repair. If terminal contact is okay, go to next step.
  5. Replace MAP sensor.