P006B OBD II Trouble Code MAP - Exhaust Pressure Correlation

How to quickly diagnose, repair, and info on symptoms and causes of a P006B diagnostic code which indicates a correlation problem between the MAP and exhaust pressure sensor values.

Symptoms of P006B OBD II Trouble Code

  • Abnormally excessive smoke from exhaust
  • Excessive fuel consumption
  • A general lack of engine performance
  • Rich or lean exhaust condition

Common Causes of P006B OBD II Trouble Code

  • Defective exhaust pressure sensor
  • Faulty MAP sensor
  • Open or shorted wiring or connectors
  • PCM or PCM programming error

Severity of P006B OBD II Trouble Code

The two sensors related to this code are critical to engine performance and efficiency. Therefore, the P006B should be classified as severe.