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Discussion Starter · #1 ·
Can anyone out there read the two oscilloscope screen shots below? The miss is most prevalent with a hot engine, at idle, and off idle to about 2000 rpm. Cold start it is not noticeable, nor while driving. This car sat for a long time. It has new plugs, wires, cap, and rotor.

There are no apparent vacuum leaks, and when vacuum is applied to the egr it stalls as expected. The scope is a Hantek 1008c. I am just figuring out how to use it. The signal is from the coil wire with inductive pickup. It has been difficult to get a good read off of an individual plug. The top image is a reference of a good firing line.
 

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