本田思域CRV曲轴位置传感器 37500-PNA-003 发动机转速信号稳定

Honda Civic CR-V crankshaft position sensor (OEM: 37500-PNA-003, also compatible with 37500-PNB003) installed near the flywheel or crank pulley on the engine block. Core function is real-time monitoring of crankshaft speed and piston position, transmitting signals to the ECU to control ignition timing and injector pulse width. Compatible with R-series engines in Civic, CR-V and other models. Installation difficulty: medium. Labor time 0.5-1 hour; ensure gap adjustment between sensor and tone wheel. If starting is difficult, idle unstable, or acceleration weak, check this part first.