别克凯越雪佛兰乐风凸轮轴传感器 96253544 信号精准无误

It is for Buick Excelle (2003-2008) and Chevrolet Lacetti (2006-2010) with 1.6L/1.8L engines; camshaft sensor (OEM: 96253544) installed above the cylinder head near the camshaft to monitor angular signals and transmit to the ECU for precise ignition timing and fuel injection timing. Replacement difficulty medium; estimated labor 0.5-1 hour; may require removing intake manifold or related harnesses. If the vehicle shows rough idle, weak acceleration, starting difficulties, or warning light, sensor signal abnormality is suspected and should be repaired promptly.