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The fuel pressure for a 2000 Pontiac Bonneville typically ranges from 40 to 50 psi (pounds per square inch) when the engine is running. It's important to check this pressure using a fuel pressure gauge to ensure proper fuel delivery and engine performance. If the pressure is outside this range, it may indicate a problem with the fuel pump, filter, or pressure regulator. Always refer to the vehicle's service manual for the most accurate specifications.

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2d ago

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