ka24de knock sensor

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spooled240
Posts: 6487
Joined: Sat Jan 20, 2007 8:45 pm
Car: kouki s14

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this is a newb question but here it goes im building a ka-t and i heard that stock ka's have knock sensors...is that true? and if it is does it retard the timing if the engine pings? any info would be great thanks


nissanfanatic
Posts: 1314
Joined: Mon Nov 01, 2004 8:41 pm
Car: 1992 Nissan 240sx SE
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Yes it has a knock sensor. For your safety, no it will not retard timing if it sees knock. Its a little more complicated than that. It runs a Knock map which is basically a bunch of overly safe timing and fuel maps.

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spooled240
Posts: 6487
Joined: Sat Jan 20, 2007 8:45 pm
Car: kouki s14

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so do you think i should get an aftermarket knock sensor setup?

S13FX
Posts: 1892
Joined: Sat Apr 30, 2005 10:59 am
Car: '69 l20b Dimeski :)

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I'm pretty sure the it works is, when the DE ECU detects knock it automatically switches over to limp mode so you don't damage your engine?


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