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Can you change the range and sample rate of your scope? If the upper peak to lower peak range on your display is decreased to say 2.0V max, and the sample rate display is narrowed, it may look more like the book. What does the book list for values against the graph that you show from the book? I'd be suspect of the book anyway...
If you think you have weak signal, what are you getting for a VAC value from the speed sensor?
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'84 Carrera Coupe
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