P34B7

Symptoms

• The Check Engine light comes on
• Reduced engine power
• Increased fuel consumption
• Unstable engine operation at idle
• Problems with the variable valve timing system

Causes

• Malfunction of the camshaft actuator temperature sensor
• Open or short circuit in the sensor circuit
• Poor contact in the sensor connector
• Wiring harness damage
• Engine control unit malfunction

How to Fix

1. Check the integrity of the sensor circuit
2. Inspect the connectors and contacts of the sensor
3. Check resistance and sensor signal
4. If necessary, replace the actuator temperature sensor
5. Check the operation of the engine control unit

Related codes

Error P34B7 by Vehicle Brand