Integra GS-R Coupe L4-1797cc 1.8L DOHC (VTEC) MFI (1997)
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Fuel Pressure Regulator: Description and Operation
Description
The fuel pressure regulator maintains a constant fuel pressure to the fuel injectors. When the difference between the fuel pressure and manifold
pressure exceeds 3.0 kgf/cm2 (294 kPa, 43 psi) (B18C1 engine: 3.5 kgf/cm2 (343 kPa, 50 psi), the diaphragm is pushed upward, and the excess
fuel is fed back into the fuel tank through the return line.
