Pressure Regulator

NOTE: If fuel pressure is does not meet specifications, 36-41 psi (2.55-2.85 kg/cm² ), check fuel pump and pressure regulator.

Fig 1: Testing Fuel System Resistor

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Check for pinched, cracked, blocked or broken vacuum hoses. Check that fuel pressure rises by disconnecting vacuum hose at pressure regulator. If fuel pressure does not rise, pinch return hose 2 or 3 times. If fuel pressure is not within specifications, replace regulator.