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Knock sensor question

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Old Jul 16, 2013 | 09:03 PM
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Default Knock sensor question

I picked up a 98 ws6 a few days ago and trying to diagnose some issues. I had a CEL and got the codes pulled. Was an o2 sensor, and knock sensor. I was driving the car on the fuel they had in it (87 octane), and was wondering. Could that cause the knock sensor code? I filled up with 93 today and drove the car. Seemed to have cleared up a bit, but some hesitation is still there. Is it possible that was the issue and running a few tanks of 93 through it should cure the issue?
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Old Jul 18, 2013 | 02:48 AM
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the wells where the KS are fill up with water......rusting the KS and corroding the wire harness.......get a new 99 (00?) and up KS and harness..........the 98 was a bastard yr and the newer parts will fit
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Old Jul 27, 2013 | 12:16 AM
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Gonna bump my own thread with another KS question. Is there any difference in the 99-00 KS and harness and the 01-02 KS and harness? Im gonna just replace them both and the harness and RTV around the holes to keep moisture out while im in there.
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Old Jul 27, 2013 | 12:35 AM
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Originally Posted by pea_jay
Gonna bump my own thread with another KS question. Is there any difference in the 99-00 KS and harness and the 01-02 KS and harness? Im gonna just replace them both and the harness and RTV around the holes to keep moisture out while im in there.
Nope, 99-02 are the same, 98 is different.
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Old Jul 27, 2013 | 08:36 PM
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Originally Posted by Zlow28
Nope, 99-02 are the same, 98 is different.
Thanks man. I thought they were the same but didnt want to order the wrong ones
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Old Jul 27, 2013 | 10:16 PM
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No problem, i just ordered mine too. I got em from rockauto.
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Old Jul 28, 2013 | 12:44 AM
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Wow thanks for that heads up on rockauto. Thats 60 bucks cheaper buying both through them even with the new harness. Are the part numbers for the front and rear both the same?
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Old Jul 28, 2013 | 01:51 AM
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Yeah, ACdelco part# 2133521 for each of the sensors, and part# 12601822 for the harness.
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Old Jul 28, 2013 | 03:31 AM
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Awesome man i appreciate it. Probobly wouldnt hurt to install my ls6 intake since im gonna have off my ls1 intake anyway
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