July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Crankshaft Position (CKP) Sensor
The CKP sensor detects crankshaft speed and is used by the PCM to determine ignition timing, timing for the fuel injection of each cylinder, and engine misfire detection.
Fig 1: Cross-Section View Of Crankshaft Position (CKP) Sensor