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Home >> Buick >> 1992 >> Riviera V6-231 3.8L VIN L SFI >> Repair and Diagnosis >> Specifications >> Pressure, Vacuum and Temperature Specifications >> Fuel Delivery and Air Induction >> Fuel Pump

Fuel Pump




Ignition ON Engine OFF 40.5 to 47.0 psi
With Regulator Vacuum Applied 3.0 - 10.0 psi less than Ignition ON Engine OFF
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