subaru Workshop Repair Guides

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Fuel Pressure|Specifications|Page 2360 > < Diagram Information and Instructions|Page 2355
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Fuel Pressure: Specifications

Fuel Pressure 

Measure the fuel pressure while disconnecting pressure regulator vacuum hose from intake manifold.
Fuel pressure:
Standard ...................................................................................................................................................  333 - 363 kPa (3.4 - 3.7 kgf/cm2, 48 - 53 psi)  

After connecting the pressure regulator vacuum hose, measure the fuel pressure.

Fuel pressure:

Fuel pressure:

Standard ................................................................................................................................................  279 - 309 kPa (2.85 - 3.15 kgf/cm2, 40 - 45 psi) 

Fuel pump Shutoff discharge pressure...................................................................................................550 - 850 kPa (5.61 - 8.67 kg/cm2, 79.8 - 123.3 psi)

Fuel pump Discharge.............................................................................................................................................125 L (33 US gal, 27.5 Imp gal)/h or more
[12 V at 300 kPa (3.06 kg/cm2, 43.5 psi)]

Fuel Pressure|Specifications|Page 2360 > < Diagram Information and Instructions|Page 2355