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Home › Mazda › 2020 › CX-3 FWD › Repair and Diagnosis › Engine Performance › System › On-Board Diagnostic - Engine Control (1 Of 5) › DTC P0014-00: Hydraulic Variable Valve Timing Control System - Over-Advanced › Repeatability Verification Procedure

Repeatability Verification Procedure

  1. Warm up the engine to allow the engine coolant temperature to reach 80°C {176°F} or more.
  2. Shift to 2nd gear (MTX)/D position (ATX) and rapidly accelerate the vehicle to 50 km/h {31 mph} (to operate hydraulic variable valve timing control).
  3. Decelerate to idling.
  4. Shift to 2nd gear (MTX)/D position (ATX) and rapidly accelerate the vehicle to 50 km/h {31 mph} again.
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