How to Diagnose a Faulty Oxygen Sensor Causing a Fuel Trim Imbalance
Modern internal combustion engines rely on a complex ecosystem of electronic sensors to maintain an ideal balance between fuel and air delivery. Among these components, the oxygen sensor (often referred to as an O2 sensor) plays an indispensable role in monitoring exhaust gas composition and providing real-time feedback to the Engine Control Module (ECM). When an oxygen sensor begins to degrade...
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