Question

The pump maintain fuel line gauge pressure is about

0.15 to 0.20 Bar
0.25 to 0.30 Bar
0.31 to 0.35 Bar
0.750 to 1.5 Bar​

Answer 1

Answer:

For a GM, this pressure is usually set to 58psi (factory fuel pressure in the rail). The vacuum/boost referenced regulator will help to change the pressure in the rail based on the pressure in the manifold. When an engine is idling, it may be pulling 20 inHg of vacuum, which translates to roughly 10psi.

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Answer 2

Answer:

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