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Where are the fuel injectors located on a 1994 GMC JIMMY Vortec Engine?

On a 1994 GMC Jimmy with the Vortec 4.3L V6 engine, the fuel injectors are located on the intake manifold, one per cylinder. They're generally positioned above the intake valves. You'll need to look down into the intake manifold area to see them. They are typically held in place by fuel rails.