Fuel pump pressure

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09-25-2015, 08:55 AM

reb1999

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Fuel pump pressure

Hi All, I cannot find the specs for fuel pressure at the injection rail port for my '99 xk8, 4.0. anyone have knowledge of the average.

I know for domestic vehicles, around 30 lbs is the norm. Same ?

thanks, Rich

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09-25-2015, 10:00 AM

RJ237

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40 psi.

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reb1999 (09-26-2015)

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