Nissan OEM Detonation Knock Sensor - Nissan 300ZX Z32 / 240SX S13 S14

OEM Nissan Detonation Sensor - The Knock sensor is used to send a signal to the ECU that Detonation is taking place. Once this happens, the ECU will turn down the boost levels so damage doesn\'t occur. If the knock sensor is bad, it will give the ECU a wrong single, and think that the car should be in safety boost. When this happens, the ECU will only let the car boost up to 7psi. It is recommended that this get replaced while the engine or transmissions is removed.

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