P0106 OBD II Trouble Code DTC Code - MAP / Baro Pressure Circuit Range/Performance Problem

Detailed information on diagnosing and repairing a P0106 DTC trouble code which refers to Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem.

Symptoms of P0106 OBD II Trouble Code

  • Engine runs rough
  • Black smoke at tailpipe
  • Engine will not idle
  • Poor fuel economy
  • Engine misses at speed

Common Causes of P0106 OBD II Trouble Code

  • Bad MAP sensor
  • Water/dirt intrusion affecting MAP sensor connector
  • Intermittent open in the reference, ground, or signal wire for the MAP sensor
  • Intermittent short in the reference, ground, or signal wire for the MAP sensor
  • Ground problem due to corrosion causing intermittent signal problem
  • A break in the flexible air intake duct between the MAF and the intake manifold
  • Bad PCM (do not assume the PCM is bad until you've exhausted all other possibilities)