AI4Car / How it works

Engine & cooling

Name: AI4Car - OBD2 Scanner
Author: AI4Car

Heat, temperature and the parts that control them.

The thermostat opened on the bench but not in the engine

A long-running overheating discussion involved several attempts to trace restricted cooling flow.

An owner's Mazda 3 question highlights how airflow and coolant circulation lead to different checks.

A rising temperature gauge or warning light is a reason to reduce load and stop safely before opening the hood.