2006 model

Relieve the fuel pressure (see 2006 MODEL ).
Disconnect the quick-connect fitting. Attach the fuel pressure gauge set and the fuel pressure gauge.

Fig 1: Attaching Fuel Pressure Gauge Set And Fuel Pressure Gauge
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the vacuum hose (A) from the fuel pulsation damper (B), and pinch off the hose with a clamp (C).

Fig 2: Pinching Off Hose With Clamp
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Start the engine, and let it idle.
- If the engine starts, go to step 6 .
- If the engine does not start, go to step 5.
Check to see if the fuel pump is running: listen to the fuel filler port with the fuel fill cap removed. The fuel pump should run for 2 seconds when the ignition switch is first turned ON (II).
- If the pump runs, go to step 6.
- If the pump does not run, do the fuel pump circuit troubleshooting (see 2005-2006 MODELS ).
Read the fuel pressure gauge. The pressure should be 270-320 kPa (2.8-3.3 kgf/cm² , 40-47 psi).
- If the pressure is OK, the test is complete.
- If the pressure is out of specification, replace the fuel pressure regulator (see FUEL PRESSURE REGULATOR REPLACEMENT ) and the fuel filter (see FUEL FILTER REPLACEMENT ), then recheck the fuel pressure.
Reconnect the vacuum hose, remove the pressure gauge, and reconnect the quick-connect fitting (see FUEL LINE/QUICK-CONNECT FITTING INSTALLATION ).