1995 Chevrolet Silverado Repair Question
Chevrolet Silverado Fuel line Problem
If you pull the injector rail/injectors and inspect spray patterns under pressure, that would show if they are to blame. Pouring stuff in the fuel to clean injectors doesn't seem like the right answer here. And "vacuum intake line" is something I am not sure I know the meaning of.
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That sounds like someones completely wild guess and not likely true. It is far more likely that a Chinese made fuel pump is failing or if the tank was full of garbage and you didn't resolve that before putting a new pump it, it would expectedly fail prematurely
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