Evaporative Leak Detection Pump
The evaporative leak detection pump is used to build pressure in the evaporative control (EVAP) system each time the self-diagnostic leak check is performed by the engine control computer.
Symptoms of Wear or Failure
- Illumination of the Check Engine Light
Related Repair Advice
- The size of the evap system leak is determined by how long/often the leak detection pump must run to maintain a specified pressure in the evap system