P2109

Symptoms

• Unstable engine idling
• Delayed response to pressing the gas pedal
• Reduced engine power
• Check Engine Light Is On
• Possible transition to emergency mode

Causes

• Throttle Position Sensor Malfunction
• Contamination or mechanical damage to the throttle valve
• Problems with sensor wiring or connectors
• Accelerator pedal malfunction (in electronic systems)
• Problems with the electronic control unit

How to Fix

1. Check the condition of the throttle valve and clean if necessary
2. Check the throttle position sensor and its wiring
3. Check accelerator pedal position sensor (if applicable)
4. Perform throttle calibration
5. If necessary, replace the faulty sensor

Related codes

Error P2109 by Vehicle Brand