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Modern vehicles are controlled by highly advanced electronic systems. At the center of everything is the Engine Control Unit (ECU) — the electronic brain responsible for managing engine performance, emissions, fuel efficiency, and component protection. When something in this chain does not behave as expected, the ECU stores a DTC (Diagnostic Trouble Code) and may activate limp mode , reducing engine power to protect the vehicle. Understanding why this happens is essential before replacing...

Modern vehicles are equipped with new advanced systems which are capable of detecting potentially dangerous situations while driving. The...

Modern engines are equipped with multiple systems to reduce harmful emissions such as CO (carbon monoxide), NOx (nitrogen oxides), HC...