Tips for Replacing Fuel Injectors

Tips for Replacing Fuel Injectors

The most common causes of fuel injector failure are blockages of the pintle due to heat soak, internal shorts, and water from fuel contamination. The largest contributor to fouling of the injectors is heat soak. This is an uncontrollable occurrence on all vehicles. Heat soak occurs every time the engine shuts down. The remaining fuel on the nozzle evaporates due to the increase in temperature and lack of airflow.