现代起亚曲轴凸轮轴位置传感器 39350-23500 发动机正时信号

When Modern or Kia vehicles have starting difficulties, rough idle, weak acceleration, or MIL illumination, it may be due to crankshaft or camshaft position sensor aging. This sensor sends ignition timing signals to ECU to ensure precise fuel injection and ignition; critical for engine operation. OEM number 39350-23500; fits many Hyundai/Kia models such as Sonata, Elantra, K5, Seltos. Disconnect battery negative before installation; ensure sensor is clean, torque to OEM spec to avoid signal interference.