DTC P0106: BARO Circuit Problem: Condition
PCM monitors differences between intake manifold vacuum and atmospheric pressure at idle. The signal is from EGR boost sensor and is switched by EGR boost sensor solenoid. If difference is less than 1.9 in. Hg, DTC is set. Causes may include the following:
- Faulty EGR boost sensor.
- Faulty EGR boost sensor solenoid.
- Vacuum line fault.
- PCM malfunction.