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What kind of signal does KS send to ECU?

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Old May 26, 2004 | 04:30 PM
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Kolyan
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What kind of signal does KS send to ECU?
i think knock sensor sends signal in volts (high, low) and then ECU retards timing or not. Is there only 2 signals? and the timing is either retarted or not?
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Old May 26, 2004 | 05:27 PM
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CKOTuHA
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I know 0304 points to a problem with the Knock Sensor. Maybe there are other ones.

To check manually u need to use an ohmmeter which is pain in the ***.
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Old May 26, 2004 | 08:34 PM
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From: Chiiiii
How is it a pain? You unplug the connector, touch 2 pins with the leads and you're done. Either way the resistance means absolutely nothing. If you check the ECU and you have a code, get a new KS.
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Old May 26, 2004 | 08:40 PM
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is there a posibility to have a broken KS without ECU giving code? (i know the light doesn't come on for KS) Can the KS be in a working state and maybe worn or something?
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Old May 26, 2004 | 08:51 PM
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From: Chiiiii
If the KS is broken there WILL be a code. It just won't show up unless you check the ECU yourself. Yes.
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Old May 27, 2004 | 05:14 AM
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The faq explains about an on and off KS and its symptoms.
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Old May 27, 2004 | 06:09 AM
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Kolyan
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Originally Posted by Terran
The faq explains about an on and off KS and its symptoms.

just what i was looking for ! thank's alot for pointing that out
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