P1145 OBD Code Definition:
P1145 Mass Air Flow Sensor Short To Positive
P1145 OBD Code Description:

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Excessive smoke from Exhaust
  • Reduced Engine Output

Possible Causes

  • Fuse or Wiring Harness Issue
  • Faulty Mass Air Flow (MAF) Sensor
  • Mass Air Flow Sensor harness is open or shorted
  • Mass Air Flow Sensor circuit poor electrical connection

Possible Solutions

  • Check Fuses and Wiring Harness, see Factory Repair Manual
  • Replace Mass Air Flow Sensor

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