Z31/SENSORS/detsensor php
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Z31 Z31 Detonation Sensor *Knock* (VG30ET)[edit]
The Detonation Sensor is located on the Right side of the engine block right behind the alternator mounting bracket on the Turbo Models.
WARNING - Do this modification at your own risk. We Are not responsable for any issues of your own doing.
What does the Detonation Sensor Do[edit]
The Detonation Sensor (Knock Sensor) on the VG30ET engine is only designed for emergencies and not normal operation. The ignition timing is pre-programmed into the ECU, including basic anti-knock settings.
This sensor is only really used up to about 3200 rpm.
How it works: When the sensor detects knock in that RPM range, it sends a signal to the ECU to retard the timing slightly, helping to reduce knock.