5. Check Fuel Pressure

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

Release fuel pressure to zero. Refer to FUEL PRESSURE RELEASE .
Install fuel pressure gauge and check fuel pressure. Refer to FUEL PRESSURE CHECK .
1. At idling: 350 kPa (3.57 kg/cm ² , 51 psi)

OK or NG

OK: GO TO 7. CHECK MASS AIR FLOW SENSOR .

NG: GO TO 6.