Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
Working on a 2019 Infiniti q70 3.7 l have a recurring p0016, p0018 no audible timing chain noise no drivability concerns.
Lab scope waveform shows clean cam and crank patterns but have no known good waveform to compare the goal is to discern whether it is mechanical or software / electrical.