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Re: CNG vehicle
Posted to HD/Fleet Forum on 2/28/2023 2 Replies

Hey Rob.

Needs a fuel pressure regulator, to start. There is a nipple (!) on it that goes straight to intake manifold vacuum. Taking the vacuum line off shows a leak, which pegs my little 16 psi pressure gauge and pops off the line. Pretty sure it is not sup... Login to read more.

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