P34B3

A Camshaft Position Actuator Position Sensor A Circuit High Bank 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–89 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Power Loss
Check Engine light comes on
Problems starting the engine

Causes

Faulty camshaft position sensor
Open or short circuit in the sensor circuit
Sensor wiring harness fault
Problems with the camshaft actuator
ECU malfunction

How to Fix

Check the integrity of the sensor wiring and connectors
Check the resistance and output voltage of the sensor
Replace camshaft position sensor if necessary
Check the operation of the camshaft actuator
Scan the ECU for additional errors

Related codes

P0340 P0342 P0343 P0390