Buick Excelle 1.6 With Wire Type Crankshaft Position Sensor 96253542 HOP

Buick Excelle/Verano 1.6 with intermittent stalling, hard starting, acceleration loss, or check engine light indicating crankshaft position sensor signals abnormal; sensor aging or failure likely. Monitors crank speed and position to control ignition timing and injection; OEM 96253542; fits Buick Excelle 1.6 with wiring harness. Ensure sensor-to-crank signal ring gap meets spec; tighten bolts to specified torque to avoid signal deviation.