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For the 2.0 4 cylinder it should be 9-13 psi, with a minimum of 13 psi deadhead pressure. With the 2.8 liter 6 cylinder it should be 5.5 to 6.5 psi at idle, there is no deadhead specification. Deadhead pressure is pressure at idle with the return line pinched off.

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Q: How much fuel pressure do i need to run my 1986 Chevy cavalier?
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