Why it matters: O2 sensors feed critical data to your ECU, helping maintain the ideal air-fuel ratio for performance, efficiency, and emissions control. Reading the signals: Healthy upstream sensors ...

Last month, we kicked this series off by showing you how to save some money by diagnosing a bad MAP sensor rather than just chucking cash at new parts that may or may not fix a specific problem. This ...

This technical document describes the magnetic sensor integrated circuits (ICs) that has internal diagnostics for automotive safety integrity level (ASIL) compliance. The current revolution in ...