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Knock Sensor: Different cars work, Money Saver!

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Old 04-03-2018, 07:28 PM
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My Grandmother smoked every day and never got cancer. Therefore smoking must be safe.
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Old 04-04-2018, 12:19 PM
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Originally Posted by Car Analogy
My Grandmother smoked every day and never got cancer. Therefore smoking must be safe.
my friend drives drunk all the time and has never got in an accident. Therefore drunk driving must be safe
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Old 04-17-2018, 06:11 PM
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So I have ordered the 30530-PPL-A01 knock sensor. I will compare it with the OEM one with a scope and see if the signal is comparable or not. Results coming soon!
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Old 04-18-2018, 02:50 AM
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How will you generate a knock signal for the sensor to tespond to?
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Old 04-18-2018, 08:44 AM
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Originally Posted by fatjoe10
So I have ordered the 30530-PPL-A01 knock sensor. I will compare it with the OEM one with a scope and see if the signal is comparable or not. Results coming soon!
Looking forward to this.
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Old 04-21-2018, 08:49 PM
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I haven't decided to to generate a knock signal, but I will figure that out once I hook everything up.
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Old 04-24-2018, 05:38 PM
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Originally Posted by Car Analogy
How will you generate a knock signal for the sensor to tespond to?
Use just about any 'computer speakers' to play a specific frequency tone. Compare sensors at various frequencies?

This would have to logged through the ECU though, since having a 'signal conditioner' in line would be needed.
http://www.ti.com/lit/an/slyt580/slyt580.pdf
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Old 04-25-2018, 12:53 PM
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I guess you can do a frequency sweep and graph the resistance or voltage (I don't know which type of sensor it is) change for both sensors.
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Old 04-25-2018, 03:13 PM
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Could count the winding & length with non specific part to compare, its only a coil and a magnet ?
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Old 04-25-2018, 04:10 PM
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That is destructive though
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