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 MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM (3.7L) (2 OF 2)BASIC INSPECTIONFUEL PRESSURE CHECKWORK PROCEDUREFUEL PRESSURE RELEASE
2019 Infiniti Q70 3.7 Luxe, AWD
Fuel Pressure Release
2019 Infiniti Q70 3.7 Luxe, AWDSECTION Fuel Pressure Release
- FUEL PRESSURE RELEASE
With CONSULT
- Turn ignition switch ON.
- Select ENGINE using CONSULT.
- Perform "FUEL PRESSURE RELEASE" in "WORK SUPPORT" mode.
- Start engine.
- After engine stalls, crank it two or three times to release all fuel pressure.
- Turn ignition switch OFF.
Without CONSULT
- Remove fuel pump fuse (1) located in IPDM E/R (2).
- Start engine.
- After engine stalls, crank it two or three times to release all fuel pressure.
- Turn ignition switch OFF.
- Reinstall fuel pump fuse after servicing fuel system.
INSPECTION END
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.