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Originally Posted by Roverdose
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Once the engine RPM is increased and or is under a load, knock may happen and if the PCM say's no go, it shuts down HOM
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when is that then? at a certain revs / throttle position / boost?
Drew |
Knock can occur due to bad gas, high temps, load etc.. so to say it occurs under at a precise repeatable parameter for all situations would be wrong. If it did the PCM could be programmed to look at just this parameter and make an adjustment, because I do not run the car under the same conditions consistently the PCM needs to get real time input so as to be flexible enough to counter knock under varying conditions. If I were to do extensive data logging and I were to only run at the track I might be able to eliminate or limit the amount of variables so as to make the tuning easier but since the car is daily driven all year long, I can't, so I'll live with some of the inconsistency and try to compensate like the PCM does within the available means I have.