Thread: 617 fuel/lift pump not delivering enough fuel
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Old 09-02-2016, 01:13 AM
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If your Fuel Perssure Relief/Over Flow Valve is one that can be taken apart you can take it apart and stretch the Spring till it has a free length of 27mm.

The Fuel Perssure Relief/Over Flow Valve controls the pressure of the Fuel Supply/Lift Pump when the pump is working as it should.
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