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Fuel pressure issue

The voltage seems normal. As my car warms up, I notice manifold pressure drop (greater vacuum), which would drive fuel pressure down with it. I have the same pump and

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Old 08-02-2018, 09:11 PM   #3 (permalink)
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The voltage seems normal. As my car warms up, I notice manifold pressure drop (greater vacuum), which would drive fuel pressure down with it. I have the same pump and wiring kit but with larger injectors (1050x). Set reference (@ atmospheric pressure) to ~52 psi and then reconnected the manifold air line to the regulator. Hven't touched it since, no issues.
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