what are 'normal' knock readings?
I've got a secs data unit fitted to my 04 STI - what are normal readings to see on the knock reading?
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Hi Rob,
any 'positive' value up to about 13 degrees (not sure if it ok above that because mine doesn't go over 13 by much). I asked the same question a while back, as long as it's not a negative value it's ok. If it's negative the ecu is retarding KC, which is bad. Anyone confirm I'm not talking total bollox???? :wonder: |
My understanding is that it should be on maximum advance pretty much all the time... if it's not then it has detected knock and backed off.
When I had my ECU read it had advanced to the maximum - 16... meaning no knock had been detected. If it's reguarly detecting knock it will be down from this significantly... Perhaps that's the equivalent of the positive / negative your talking about... also is this the short advance loop or the long one? I'm talking about the long one above I believe! |
Originally Posted by Trap2Terrorist
Hi Rob,
any 'positive' value up to about 13 degrees (not sure if it ok above that because mine doesn't go over 13 by much). I asked the same question a while back, as long as it's not a negative value it's ok. If it's negative the ecu is retarding KC, which is bad. Anyone confirm I'm not talking total bollox???? :wonder: not too sure of the techical side ben but i always read 0 if off the gas. I'm not getting anything other than normal activity on the knocklink monitor either |
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