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Home >> Ford >> 2011 >> Focus S, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions - DTC P0600 Through DTC P164A - (Except Diesel & Hybrid) >> DTC P1101: Mass Air Flow (MAF) Sensor Out Of Self-Test Range

DTC P1101: Mass Air Flow (MAF) Sensor Out Of Self-Test Range

P1101 - MASS AIR FLOW (MAF) SENSOR OUT OF SELF-TEST RANGE

Description:  The MAF sensor circuit is monitored by the powertrain control module (PCM) for an out of range condition. This DTC sets if during ignition ON engine OFF, the output signal is greater than a calibrated limit or during ignition ON engine running, the output signal is not within the calibrated range.
Possible Causes: 
  • Low battery charge
  • MAF sensor partially connected
  • MAF sensor contamination
  • PWRGND open to the MAF sensor
  • MAF RTN circuit open to PCM
  • Damaged MAF sensor
  • Intake air leaks
Diagnostic Aids:  Diagnose circuit faults prior to range or performance faults.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DC .