DTC P0106: BARO Circuit Performance Problem: Condition

DTC is set when difference between intake manifold vacuum and atmospheric pressure is less than 1.9 in. Hg and engine coolant temperature is more than 176°F (80°C). EGR boost sensor detects atmospheric pressure by switching EGR boost sensor solenoid valve. Possible causes are:

• EGR boost sensor malfunction.
• EGR boost solenoid valve malfunction.
• Loose, damaged, misrouted or plugged vacuum hoses between EGR boost sensor and EGR boost solenoid valve, and between EGR valve and EGR boost solenoid valve.
• PCM malfunction.