P2A0B

Symptoms

• Unstable engine idling
• Loss of engine power
• Increased fuel consumption
• Check Engine Light Is On
• Problems starting the engine

Causes

• MAP sensor malfunction (section B)
• Open or short circuit in the sensor circuit
• Poor contact in the sensor connector
• Vacuum hose is dirty or damaged
• Problems with the engine ECU

How to Fix

1. Check the integrity and connection of the vacuum hose to the sensor
2. Check the electrical circuit of the sensor for open circuit and short circuit
3. Clean sensor connector contacts
4. Check/replace MAP sensor
5. If necessary, check/replace the engine ECU

Related codes

Error P2A0B by Vehicle Brand