Vehicle: Chevrolet K5 Blazer 1973–1991
Engine code: L03 V8 5.0L

Known Good

Engine control system

Low pressure fuel pump
Current consumption
Operation mode: idling

Author's comment:
engine stalled at stops and when engine loaded at idle. replaced faulty oil pressure switch to solve the problem. this also shows a waveform of a known good fuel pump, fuel pump was replaced prior to my diagnosis

Author: leondiagnose77 (5)
Signal was added: 28-jul-2025

495

Comments: 0