P2109
Throttle/Pedal Position Sensor A Minimum Stop Performance
P2109 is an OBD-II diagnostic trouble code meaning: Throttle/Pedal Position Sensor A Minimum Stop Performance. Common causes: throttle position sensor malfunction, contamination or mechanical damage to the throttle valve. Estimated repair cost: $17–67.
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
- Check the condition of the throttle valve and clean if necessary
- Check the throttle position sensor and its wiring
- Check accelerator pedal position sensor (if applicable)
- Perform throttle calibration
- If necessary, replace the faulty sensor
Related codes
Error P2109 by Vehicle Brand
FAQ
What does the P2109 code mean?
P2109 is an OBD-II diagnostic trouble code that indicates: Throttle/Pedal Position Sensor A Minimum Stop Performance
What causes a P2109 error code?
The most common causes of P2109 include: Throttle Position Sensor Malfunction; Contamination or mechanical damage to the throttle valve; Problems with sensor wiring or connectors; Accelerator pedal malfunction (in electronic systems).
How do I fix a P2109 diagnostic trouble code?
To fix P2109: Check the condition of the throttle valve and clean if necessary. Check the throttle position sensor and its wiring. Check accelerator pedal position sensor (if applicable). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2109?
Limited driving only, diagnose soon
How much does it cost to fix P2109?
The estimated repair cost for P2109 is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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