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Cylinder 2 has REALLY high "knock sensor voltage"??? .. and car has misfired a few times?..Progidy..

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Old 07-29-2003, 05:54 PM
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Default Cylinder 2 has REALLY high "knock sensor voltage"??? .. and car has misfired a few times?..Progidy..
can you add to this about my car. It is now misfired 3 times in a month.

What's going on? .. Have X chip
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Old 07-29-2003, 06:05 PM
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Default post that graph I made for you
we can check your plugs and we can move the coilpack to another cylinder...we'll do some logging and see what's up.

The chart we made is in 90+ degree weather so I wouldn't put too much weight on it...we can log again when it's cooler and see what the deal is.
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Old 07-29-2003, 06:24 PM
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Default here ya go I'm bored
<center><img src="http://pictureposter.audiworld.com/20474/mark-knock-voltage.jpg"></center><p>if anyone wants to see a screwed up knock voltage graph here it is

90+ degrees weather
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Old 07-29-2003, 06:50 PM
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Default obviously you did not look at cyl 5 :) Cyl 2 and 5 pretty much mirror each other.
Both high knock sensor voltage
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Old 07-29-2003, 06:51 PM
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Default anything over 25 is bad ya, but you will see both cyl 2 and 5 go over while the rest stay down.
20's is not too terrible
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Old 07-29-2003, 07:00 PM
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Default yeh I figured 20 isn't too bad (not good either though), his ignition timing wasn't very bad at all
I just know my knock sensors don't complain this much...who knows we'll log again.
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Old 07-30-2003, 11:10 AM
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What are his timing logs looking like?
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Old 07-30-2003, 11:36 AM
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Default I'll post later, actually not too bad
advancing steadily with rpm's up to roughly 18 degrees, thats low for X it seems but it was pretty hot out.
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