P34AD

Symptoms

• Unstable engine idling
• Reduced engine power
• Increased fuel consumption
• Check Engine light comes on
• Problems starting the engine

Causes

• Camshaft position sensor malfunction
• Damage or corrosion of sensor contacts
• Open or short circuit in the sensor circuit
• Mechanical problems in the VVT system
• Sensor is dirty or worn

How to Fix

1. Check the condition of the camshaft position sensor
2. Inspect the wiring and contacts of the sensor for damage
3. Check sensor resistance and voltage
4. If necessary, replace the camshaft position sensor
5. Clean or replace VVT system components as necessary

Related codes

Error P34AD by Vehicle Brand