P2621

Symptoms

• Reduced engine power
• Unstable operation at idle
• Increased fuel consumption
• Check Engine Light Illuminates
• The car goes into emergency mode

Causes

• Throttle Position Sensor Malfunction
• Open or short circuit in the sensor circuit
• Poor contact in the sensor connector
• Circuit Grounding Problems
• Malfunction of the engine control unit (rare)

How to Fix

1. Check the condition of the throttle position sensor
2. Inspect the wiring harness and connectors for damage.
3. Check continuity with a multimeter
4. Clean sensor connector contacts
5. If necessary, replace the throttle position sensor

Related codes

Error P2621 by Vehicle Brand