![]() Instead when activated what it does is cut spark in order to lower engine rpms. It does not effect fuel pressure in any way. There is a rev limiter, it is built into the engines ECM. The 5.7GXI-F engine should hit 4600 to 5000 rpms at WOT. ![]() The part number for the fuel cell, which includes both the high and low pressure pumps is 21608511 These are Volvo part numbers that I am listing, and not aftermarket. The low pressure pump is not sold separately as it is part of the fuel cell. The high pressure pump is part number 3588865 ![]() ![]() Volvo does not list a specification for fuel pressure on the low side, however from experience I can tell you that should run in the 5 to 10 psi ballpark. Fuel pressure on the high side must maintain 50 to 60 PSI at all times. ![]()
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