acura Workshop Repair Guides

Acura (Honda) Workshop Service and Repair Manuals

Mechanical Specifications|Page 4413 > < Mechanical Specifications|Page 4411
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Fuel Pressure Regulator: Description and Operation

PURPOSE

The fuel pressure regulator maintains a constant fuel pressure to the fuel injectors. 

OPERATION

When the difference between the fuel pressure and manifold pressure exceeds 294 kPa (43 psi), the diaphragm is pushed upward, and the excess
fuel is fed back into the fuel tank through the return line.

Mechanical Specifications|Page 4413 > < Mechanical Specifications|Page 4411