P2AD3

Symptoms

• Unstable engine idling
• Sudden changes in engine speed
• Loss of power during acceleration
• Check Engine light comes on
• The car goes into emergency mode

Causes

• Throttle Position Sensor (TPS) malfunction
• Accelerator pedal position (APP) sensor malfunction
• Damage or oxidation of contacts in connectors
• Wiring or grounding problems
• Mechanical problems of the throttle assembly

How to Fix

1. Check the readings of the TPS and APP sensors using a scanner
2. Inspect connectors and wiring for damage
3. Clean the throttle valve and check its mechanical operation
4. Replace faulty sensor (TPS or APP)
5. Check and replace wiring harness if necessary

Related codes

Error P2AD3 by Vehicle Brand