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All Fuel Pressure Regulators are usually attached to the Fuel Rail. In any case, they have a return line to the fuel tank. On your engine you may have to remove the pretty "Plastic Cover" that covers the top of the engine to see the fuel rail and the pressure regulator. Look for a "tube" that has fuel injectors going from the bottom of it and into the top of the intake manifold. The fuel pressure regulator is a round looking device attached to the end of the fuel rail with a small fuel line coming out the botttom and a vacuum line attached to the top of it. At least in most cases this is what it will look like. Especially if it an OEM set-up. Aftermarket set-ups will differ. TommyTrouble

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โˆ™ 2006-04-23 16:11:41
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Q: Where is the fuel pressure regulator on a 1994 Buick Lesabre?
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