MS3x with Knock module Brain built
2000 miata with Recent update to MS3X ECU FROM Vodoo box |Bigger 650 cc injectors.
Car is running very well and on livetune for about 3 hours now. Starts well idles perfectly and runs pretty smoothly with more tuning/ massaging to get it all perfect. Im currently limiting the car to around 150-160 Kpa until Im happy the Fuel , timing and i have specified are in fact all working well. Thus: So far so good. Sooooo my mind starts wandering ... a sure sign of imminent onset of Dementia ! So I want to set up my Knock module and look at a trace or two. No luck . if the knock module is enabled I can never read any inputs while the car is running on Knock Cyl #1 thru Knock Cyl#4 the logs always are 0% . On the other hand there is a Knock in and it starts at 0% with ignition on and engine stopped. if the engine starts this signal goes to 102% . it never changes. Whatever changes i make to the gain controls has no effect ,nor do changes to the knock sensor settings except it does allow me to turn the knock sensor on or off . The knock sensor is a new OEM unit just installed into the block at the usual spot . The old unit I removed had its? tarry sealer leak out of the unit and down the block a a black sort of sap . The connector and the wiring harness and the wires that the new sensor plugged into all appear normal. A perusal of the wiring diagram of 2000 miata shows no pre amplifier connected to the sensor before the ECU input ? HMMM OK IM stumped what infernal setting have I got un done ..... overdone...... r........ just plain not dun ???? Thanks all |
Post tune and log
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Knock sensor issues
2 Attachment(s)
OK here is the data
Current Tune and a short log. Thanks for the reminder about the datahttps://www.miataturbo.net/images/icons/icon6.gif I guess....... whoops comes to mind |
Setup looks fine. Wonder if the connector is borked or something.
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aidandj
well it looks fone though that means next to nothing. Interesting that the knockin sees 102% input on motor start but every other knock input is flatlined at 0........ so something is getting to the knockin to ramp it up like that . Thanks for the opinion on setup regards g |
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