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Ridiculous Knock Numbers...


SleepinGVR4
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Galant VR-4 org Post #: 898606 posted 05/13/10 11:59 AM     Remind Me!  Send Private Message   Edit Post      
So coasting down my hill last night. All of the sudden I'm seeing knock counts of 225, 241, 225. My knock sensor isn't that old and hasn't leaked the black stuff out of the back yet. Is that a sign that its going bad?



Sean

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1qkfwd
Member
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Galant VR-4 org Post #: 898612 posted 05/13/10 12:28 PM     Remind Me!  Send Private Message   Edit Post      
Make sure it didn't come loose and rattling around in the block.



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steve Galant VR4.org Administrator
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Galant VR-4 org Post #: 898614 posted 05/13/10 12:35 PM     Remind Me!  Send Private Message   Edit Post      
AFAIK you can not see knocksum over 43. Where are you seeing this at?



I know it's a foreign idea for most of us here, but you might want to try taking the car off jackstands.
-mitsuturbo

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SleepinGVR4
What are we going to do today Ferb?
629/2000


Galant VR-4 org Post #: 898625 posted 05/13/10 01:11 PM     Remind Me!  Send Private Message   Edit Post      
Quoting steveGLS:

AFAIK you can not see knocksum over 43. Where are you seeing this at?




Yes I knew it was around the "40's" somewhere so something else is wrong. I was seeing when I was coasting down a hill in second gear, my foot was off the throttle.

And I just checked the sensor isn't loose. I'm going to check if its throwing any codes now.



Sean

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SleepinGVR4
What are we going to do today Ferb?
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Galant VR-4 org Post #: 898627 posted 05/13/10 01:13 PM     Remind Me!  Send Private Message   Edit Post      
No codes are showing either.



Sean

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Brunoboy
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Galant VR-4 org Post #: 898631 posted 05/13/10 01:30 PM     Remind Me!  Send Private Message   Edit Post      
Logger?



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SleepinGVR4
What are we going to do today Ferb?
629/2000


Galant VR-4 org Post #: 898640 posted 05/13/10 01:53 PM     Remind Me!  Send Private Message   Edit Post      
Yeah



Sean

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keydiver
Unregistered


Galant VR-4 org Post #: 898737 posted 05/14/10 12:13 AM     Remind Me!  Send Private Message   Edit Post      
As someone else said, the highest value from the ECU is 43. So,if you are seeing any higher numbers it is evidently a communications error with your logger.

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SleepinGVR4
What are we going to do today Ferb?
629/2000


Galant VR-4 org Post #: 898838 posted 05/14/10 12:18 PM     Remind Me!  Send Private Message   Edit Post      
But why would a communications error cause my logger to read a knock count that's higher than the ecu can count?



Sean

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steve Galant VR4.org Administrator
Key Fob Guy


Galant VR-4 org Post #: 898845 posted 05/14/10 12:28 PM     Remind Me!  Send Private Message   Edit Post      
Your logger is not getting the ECU's knocksum count, because if it was it could not be higher than 43. Hence some type of communication glitch.



I know it's a foreign idea for most of us here, but you might want to try taking the car off jackstands.
-mitsuturbo

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SleepinGVR4
What are we going to do today Ferb?
629/2000


Galant VR-4 org Post #: 898847 posted 05/14/10 12:45 PM     Remind Me!  Send Private Message   Edit Post      
I gotcha, weird, all I need is one most problem that I can't diagnose.



Sean

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brisvr4
Oceania Distict Enforcer for the Galant VR4 Mafia


Galant VR-4 org Post #: 898992 posted 05/15/10 05:41 AM     Remind Me!  Send Private Message   Edit Post      
Check your cable. Mine was getting readings like that and it turned out to be a dodgy wiring connection.



Tim
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BoostedAWD91
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815/2000


Galant VR-4 org Post #: 899097 posted 05/15/10 08:49 PM     Remind Me!  Send Private Message   Edit Post   
u have the plug in play harness or just the 3 terminal connectors



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