P3018
Variable Valve Lift System Performance Bank 2
2012-2016 Subaru Impreza 2.0L H4
High SeverityPowertrainGeneric (SAE)
Description
The variable valve lift system on Bank 2 is not meeting performance expectations.
Symptoms
- Check Engine Light
- Uneven power between banks
- Engine vibration at certain RPMs
- Reduced high-RPM power
- Valve train noise Bank 2
Common Causes
- Worn valve lift mechanism Bank 2
- Oil flow restriction Bank 2
- Control solenoid failure
- Mechanical wear in rocker assembly
- Clogged oil passage
Diagnostic Steps
- Monitor Bank 2 valve lift PID
- Check oil pressure at Bank 2 actuator
- Command lift change and verify Bank 2 response
- Compare Bank 1 vs Bank 2 lift transition timing
- Inspect oil passages Bank 2
Repair Notes
Replace Bank 2 variable valve lift mechanism.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P3018 on Other Vehicles
Common Questions
What does code P3018 mean on a 2012-2016 Subaru Impreza?
P3018 stands for "Variable Valve Lift System Performance Bank 2". The variable valve lift system on Bank 2 is not meeting performance expectations.
What are the symptoms of P3018 on a Subaru Impreza?
Common symptoms of P3018 include: Check Engine Light, Uneven power between banks, Engine vibration at certain RPMs, Reduced high-RPM power, Valve train noise Bank 2.
What causes P3018 on a 2012-2016 Subaru Impreza?
Common causes of P3018 include: Worn valve lift mechanism Bank 2, Oil flow restriction Bank 2, Control solenoid failure, Mechanical wear in rocker assembly, Clogged oil passage.