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.
2018 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE
Work Procedure
- START NOTE: Before performing this procedure, record injector characteristics code printed on a fuel injector.
- Turn ignition switch ON and engine stopped.
- On the CONSULT screen, select "ENGINE">>"WORK SUPPORT">>"INJECTOR INJECTION QUANTITY ADJUSTMENT".
- Touch "START".NOTE: When touching "START", CONSULT reads injector adjustment values stored in ECM.
- Select the number of the cylinder which needs Injector Injection Quantity Adjustment.
- Input injector adjustment value
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CAUTION: Input four digits from the left with CONSULT, although the stamped number is five digits.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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