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How much pressure should a fuel pump put out in 1995 Chevy s10 with 4.3 tbi v6 vortec?

The fuel pressure for a 1995 Chevy S10 with a 4.3L TBI V6 Vortec engine should be between 12 and 14 psi. This is measured with the engine running. You'll need a fuel pressure gauge to check this accurately.