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International Automotive Technicians Network
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 vin K. This is the injector pattern at the time of a fault occurrence. This vehicle presents with very high rate injector spray. On initial check out, the injectors continued to spray after the engine stop...