mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Fuel Pressure|Specifications|Page 2854 > < Positive Crankcase Ventilation Valve|Locations|Page 2849
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Fuel Pressure: Specifications

FUEL PUMP PRESSURE ........................................................................................................................................................  64 - 85 psi (441 - 589 kPa)

FUEL PUMP PRESSURE RELIEF VALVE .........................................................................................................................  50 - 71 psi (343 - 491 kPa)
 
FUEL SYSTEM PRESSURE (REGULATED)

W/18" - 21" Hg Vacuum To Pressure Regulator .....................................................................................................................  31 - 38 psi (216 - 265 kPa)
W/No Vacuum To Pressure Regulator ....................................................................................................................................  38 - 46 psi (265 - 314 kPa)

 
FUEL SYSTEM RESIDUAL PRESSURE ......................................................................................................................................  21 psi (147 kPa) min.
 
BYPASS AIR CONTROL (BAC) VALVE

Air Valve Operating Range ...................................................................................................................................................  Closed Above 140°F (60°C)

Fuel Pressure|Specifications|Page 2854 > < Positive Crankcase Ventilation Valve|Locations|Page 2849