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Fuel Pressure Reg Pulses 3.8L GM - Good/Bad/OK?
Posted to the Waveform Library on 3/11/2014

This marked up snap-shot of scope data was derived from scoping a perfectly fine running 3.8L. We just built a low vac/pressure transducer so we wanted to test it.

We hooked up our transducer to regulator on fuel rail (1,3,5 side) via its vacuum port and the...