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.
2017 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE
Engine Compartment (Front View)
| No. | Component | Function |
|---|---|---|
| Quantity control valve | QUANTITY CONTROL VALVE | |
| Fuel pressure and temperature sensor | FUEL PRESSURE AND TEMPERATURE SENSOR | |
| Pressure sensor downstream of air filter | The pressure sensor downstream of air filter is located on intake air duct and detects intake air pressure downstream of the air filter. | |
| Full-load operation vent line heater element | FULL-LOAD OPERATION VENT LINE HEATER ELEMENT | |
| Fuel injector | FUEL INJECTOR | |
| Intake camshaft position sensor | INTAKE CAMSHAFT POSITION SENSOR | |
| Intake camshaft actuator | INTAKE CAMSHAFT ACTUATOR | |
| Exhaust camshaft position sensor | EXHAUST CAMSHAFT POSITION SENSOR | |
| Exhaust camshaft actuator | EXHAUST CAMSHAFT ACTUATOR | |
| Divert air switchover valve | DIVERT AIR SWITCHOVER VALVE | |
| Heated oxygen sensor | HEATED OXYGEN SENSOR | |
| Air fuel ratio (A/F) sensor | AIR-FUEL RATIO (A/F) SENSOR | |
| Ignition coil | SYSTEM DESCRIPTION |
Factory Service Tools
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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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