I am attempting to troubleshoot an engine knocking noise at the top of the front bank on a 2001 Mazda Tribute V6. I am brand new to NVH. See the attached docuement Questions: 1) Why is there a order 1.5 and 3 spike? Does that mean the issue is at 1.5 times the crankshaft speed? 2) Why are there nega...

Going to go with a 4223 at a minimum...4423 would be ideal depending on funding.

I am saving for a Picoscope and have my OTC 3857 Tech-Scope listed on Ebay. Will the PicoScope software work with my OTC?


Thanks,

- Randy