A vehicular thermal management issue occurring when the engine is running but the vehicle is stationary, this condition indicates a problem within the cooling system’s ability to dissipate heat effectively under minimal airflow. For instance, a vehicle stuck in traffic might experience this phenomenon on a hot day, despite displaying normal temperature readings at higher speeds.
Addressing this issue promptly is crucial for preventing severe engine damage, such as warped cylinder heads or cracked engine blocks. Ignoring the symptom can lead to costly repairs and decreased vehicle reliability. Historically, inadequate cooling system design and material limitations were frequent contributors, but modern vehicles continue to be susceptible due to component failures or insufficient maintenance.