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What is the correct fuel pressure for a 1993 1 ton 454 silverado?

The correct fuel pressure for a 1993 Chevrolet Silverado 1-ton with a 454 engine is 12-14 PSI. This is measured with the engine running. However, it's crucial to consult your specific vehicle's repair manual for the most accurate information, as slight variations can exist depending on the exact engine configuration and emission standards. Always check your owner's manual or a reputable repair manual before making any adjustments.