P2A0B
Manifold Absolute Pressure Sensor B Circuit Range/Performance
P2A0B is an OBD-II diagnostic trouble code meaning: Manifold Absolute Pressure Sensor B Circuit Range/Performance. Common causes: map sensor malfunction (section b), open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
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
- Check the integrity and connection of the vacuum hose to the sensor
- Check the electrical circuit of the sensor for open circuit and short circuit
- Clean sensor connector contacts
- Check/replace MAP sensor
- If necessary, check/replace the engine ECU
Related codes
Error P2A0B by Vehicle Brand
FAQ
What does the P2A0B code mean?
P2A0B is an OBD-II diagnostic trouble code that indicates: Manifold Absolute Pressure Sensor B Circuit Range/Performance
What causes a P2A0B error code?
The most common causes of P2A0B include: 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.
How do I fix a P2A0B diagnostic trouble code?
To fix P2A0B: Check the integrity and connection of the vacuum hose to the sensor. Check the electrical circuit of the sensor for open circuit and short circuit. Clean sensor connector contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A0B?
Limited driving only, diagnose soon
How much does it cost to fix P2A0B?
The estimated repair cost for P2A0B is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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