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Message: [QUOTE="golfer, post: 364331, member: 266"] high fuel pressure doesn't/can't damage the injectors...however excessive fuel pressure doesn't do anything other than overwork the fuel pump. Excessively[B] low[/B] fuel pressure can cause injector damage from the internal lack of lubrication at the plunger and barrel assembly, and rarely, nozzle failure from a lack of fuel cushioning the needle when it slams shut after injection.. Fuel pressure (on a HEUI injected engine) is only responsible for [I]refilling[/I] the injector with fuel...in between injection events...and has no bearing on the volume of fuel expelled from the nozzle. [/QUOTE]

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