mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Fuel Pressure|Specifications|Page 2684 > < Positive Crankcase Ventilation|Description and Operation|Page 2679
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Fuel Pressure: Specifications

FUEL PUMP PRESSURE

Maximum ................................................................................................................................................................................  64 - 85 psi (441 - 589 kPa)
Hold  .............................................................................................................................................................................  over 50 psi (343 kPa) after 5 min.

 
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.
 
AIR VALVE

"Open" range .......................................................................................................................................................................................  below 104°F (40°C)

Fuel Pressure|Specifications|Page 2684 > < Positive Crankcase Ventilation|Description and Operation|Page 2679