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I think that the Vdiag VD70 has the same software from Xtooltech. If you look at my review of the VD70 starting around minute 7 the cylinder balance test is shown. I think you will find the same thing on the D8W. When i have time i will check it out and reply back.

I can't say for sure. I think they went to WiFi for speed. I have a VD70 wired and i don't notice a speed difference between them. One thing about the wired is that it might charge by wire. My D70 does charge and so it will stay at 100% on a long test drive. My old Autel does not charge by the wired connection. You can get an OBD2 extension cable if you don't want wireless. I need to tie a string on my VCI so that i don't leave it on someone's car.

See the reply from XTOOL " Hello Daniel, Thanks for reaching out. May I ask if the viewer want to know that the CPU of D8W? If yes, the CPU of D8W is Quad-core 1.5Ghz. Have a good day! Best, Iris XTOOLONLINE"

I don't think that there is many usual applications for the function generator. I suppose that you might be able to test or simulate a component that sees or generates a square wave or pulse. I did use it yesterday to test 2 oscilloscopes. I wanted to see if the were capable of displaying a very narrow pulse at 8000 hertz. I was looking at Mechanic Mindset's post Don't be fooled crank sensor or oscilloscope. He was looking at a Mercedes crankshaft sensor with 8 pulses per revolution. I wanted to see what my scope would display. I was able to set the DM303 at 3% duty cycle and see a pulse on my OWON portable and Bench scopes. If there were a lot of missing pulses i would determine that my scopes cannot display such a signal and not condemn the sensor. I have an other function generator but it cannot vary the duty cycle. The OWONs did well at 8000khz. I could also check my graphing volt meters to see what they are capable of displaying. I hope this was helpful. Thanks for your comment.

Correction; I made a 60 times mistake. The frequency would only be 133 hertz. I was thinking 1000 RPM times 8 pulses. I forgot to divide by 60 to get seconds. I should retest all my meters to see what they would read at 133.3 hertz. I need to go back and look at Mechanic Mindset's video. I am not sure why any scope couldn't display that signal. It may be that i misunderstand what the sensor is outputting. I don't have a Mercedes to test.

Of course. A30m is also times cheaper, 150.-

Pay more to see more 😂 like a girlfriend

I am not sure what you would get from a 1 hour interview with me. I am retired but i have a shop and i could do some reviews for automotive tools.

Thx a lot Dan! Could u plz give me a email address@@diydantex6150