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Abnormal injector pattern
Posted to the Waveform Library on 2/2/2018

This is a scope trace from a 1992 Chevy C1500 5.7L TBI. This is the injector pattern at the time of a fault occurrence. The injector rate is very high. Rather than a flashing noid, we are seeing a high rate flicker. With the fuel pump running, this guy over fl...