P1105

Symptoms

• Unstable engine idling
• Reduced engine power
• Increased fuel consumption
• Check Engine Light Illuminates
• Problems starting the engine

Causes

• MAP sensor malfunction
• Open or short circuit in the sensor circuit
• Poor electrical contact in the sensor connector
• Vacuum leaks in the intake manifold
• Problems with the ECU

How to Fix

1. Check the integrity of the wiring and connectors of the MAP sensor
2. Check for vacuum leaks in the intake manifold
3. Test the MAP sensor using a diagnostic scanner
4. Replace MAP sensor if necessary
5. Clear error codes and check if P1105 returns

Related codes

Error P1105 by Vehicle Brand