Excellent, thank you!

If you uploaded a screenshot/waveform it would help..... Filtering may help as long as you do not "overfilter" and loose meaningful information. You definitely want to ground the probe and ,dependending on your device(4x25?)and the power supply to your computer, case grounding may help, When out of ...

Not sure if this is the place but here it goes:

The topics presented under the "News" tag of the main site may benefit from a date of publication/time stamp just to know when they actually were "new".

Thank you once more for clarifying!

This is an idle capture...to get the full picture a snap throttle capture will be helpful.... Cylinder 1 may be running lean going by its first signal, then the second event of the same cylinder shows a much smoother burn line. Capture the secondary over a period of time including a couple of snap t...

I once encountered the same issue on the same engine. The engine had been swapped and in this process the carter was taken off, letting it slightly rest on the crankshaft sprocket bending a tooth. The deviation in the signal was obvious well below 3000 rpm, nevertheless only then the pcm would code ...

Steve, thank you for answering my question. Now that I see how the internal resistance of the battery is calculated by voltage drop and current flow this raises my next question: How then is the starter motor's resistance determined as there is no voltage drop measured across him during the test? On...

Put your 2 secondary probes on each one of what you call the king pin leads (coil wires). Then you need a sync signal from one spark plugs wire on a third channel. Missing a third secondary cable you can use an inductive rpm pick-up or something similar.

Please upload YOUR waveform.

If your replacement sensor was not OE, I¨d try an OE. The sudden dip in the signal happens at the same time on both ckp and cmp sensors.