What is the fuel pressure range on a 2007 pontiac grand prix 3800 v6

Asked by Jun 16, 2015 at 11:07 PM about the 2007 Pontiac Grand Prix Base

Question type: Maintenance & Repair

3 Answers

70,065

Should be 35 psi.

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4,025

between 31-47psi

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135

On a Series III 3800 engine the returnless EFI system has the fuel pressure regulator mounted in the fuel tank with the pump instead of on the fuel rail. There is no fuel return line from the engine back to the tank. The fuel pressure on these engines should be 56 to 62 psi with the key on and engine off.

3 of 3 people found this helpful.

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