P1220

Symptoms

• Reduced engine power
• Unstable operation at idle
• Check Engine Light Illuminates
• The car goes into emergency mode
• Acceleration problems

Causes

• Throttle Position Sensor Malfunction
• Problems with the throttle motor
• Open or short circuit in control circuit
• Contamination or mechanical damage to the throttle valve
• Problems with the engine control unit

How to Fix

1. Check the condition of the throttle valve and clean if necessary
2. Check the integrity of the control circuit and connections
3. Test the throttle position sensor
4. Check the operation of the throttle motor
5. If necessary, replace the throttle assembly

Related codes

Error P1220 by Vehicle Brand