Mazda Mazda Vehicles (Multiple Models) Error Code P3011

Mazda OBD-II Critical Engine

Model: Mazda Vehicles (Multiple Models) | Code: P3011

Applicable Systems
Mazda3 Mazda6 CX-5 CX-9

Symptoms

Variable valve timing actuator performance fault on Skyactiv-G engine; timing may retard for safety.

Possible Causes

  • VVT oil control valve stuck open or closed
  • VVT actuator mechanical failure
  • Engine oil pressure supply to VVT insufficient

Troubleshooting Steps

  1. Step 1: Check VVT oil control valve operation
    Valve moves freely when energized
  2. Step 2: Inspect engine oil pressure
    Oil pressure within spec at idle and 3000 RPM
  3. Step 3: Replace VVT actuator assembly
    Actuator replaced, timing verified with scan tool

How to Reset

Clear codes and perform VVT learning procedure.

Related Mazda Fault Codes

Source: SAE J2012 Standard, OBD-II Service Manuals

Category: OBD-II