P34AF

A Camshaft Position Actuator Position Sensor A Circuit High Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

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

Causes

Camshaft position sensor malfunction
Open or short circuit in the sensor circuit
Problems with the wiring harness or connectors
Engine control unit malfunction
Mechanical problems in the VVT system

How to Fix

Check the condition of the sensor and its connectors
Check the integrity of the sensor circuit (open circuit, short circuit)
Check resistance and sensor signal
If necessary, replace the camshaft position sensor
Check the operation of the VVT system

Related codes

P34A0 P34AE P0010