Nissan Teana 2.3L 04-07 Straight Head Crankshaft Position Sensor 23731-AL60C HOP

Nissan Altima 2.3L 04-07 straight-head crankshaft position sensor (OEM 23731-AL60C, HOP brand) with straight-head plug interface ensures precise mounting. Core function: monitor crankshaft speed and position in real time, sending signal to ECU to optimize ignition timing and fuel injection for smooth engine operation. Replacement difficulty: medium; professional technician recommended; disconnect battery negative and clean installation area to avoid signal interference.