mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Fuel Pressure|Specifications|Page 2541 > < Diagram Information and Instructions|Page 2536
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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 .....................................................................................................................  27 - 33 psi (186 - 226 kPa)
W/No Vacuum To Pressure Regulator ....................................................................................................................................  34 - 40 psi (235 - 275 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 2541 > < Diagram Information and Instructions|Page 2536