Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSNISSAN-DATSUN2001MAXIMA GXE, AUTOMATIC, RE4F04WREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC DIAGNOSTIC PROCEDURESFUEL SYSTEMCHECKING FUEL PRESSURE
2001 Nissan-Datsun Maxima GXE, Automatic, RE4F04W
Checking Fuel Pressure
2001 Nissan-Datsun Maxima GXE, Automatic, RE4F04WSECTION Checking Fuel Pressure
- Turn ignition off. Disconnect fuel tube joint between fuel pressure regulator and injection tube and set fuel pressure check adapter (J44321). Install pressure gauge to fuel pressure check adapter. Install fuel pump fuse.
- Start engine. Check fuel line connections for leaks. Check fuel pressure with engine idling. Disconnect vacuum hose from pressure regulator. Recheck fuel pressure.
- Compare fuel pressure readings on pressure gauge with specifications. See FUEL PRESSURE table. Release fuel system pressure as described in FUEL PRESSURE RELEASE . Disconnect fuel pressure gauge. Reconnect fuel lines. Start engine and check for fuel leaks.
FUEL PRESSURE
| Application | At Idle W/O Vacuum - psi (kPa) | At Idle W/Vacuum - psi (kPa) |
|---|---|---|
| All Models | 43 (294) | 34 (235) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.