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.
2016 Infiniti Q50 Base, AWDFACTORY OEM SERVICE PROCEDURE
Engine Compartment (Top View)
| No. | Component | Function |
|---|---|---|
| High pressure fuel pump | SYSTEM DESCRIPTION | |
| Quantity control valve | SYSTEM DESCRIPTION | |
| Fuel injector | FUEL INJECTOR | |
| Vacuum pump | VACUUM LINE LAYOUT | |
| Ignition coil | SYSTEM DESCRIPTION | |
| Exhaust camshaft position sensor | Detects exhaust camshaft position. | |
| Exhaust camshaft actuator | SYSTEM DESCRIPTION | |
| Coolant pump switchover valve | COOLANT PUMP SWITCHOVER VALVE | |
| Boost pressure control vacuum transducer | SYSTEM DESCRIPTION | |
| Intake camshaft actuator | SYSTEM DESCRIPTION | |
| Intake camshaft position sensor | INTAKE CAMSHAFT POSITION SENSOR | |
| Charge air temperature sensor downstream of throttle valve | Senses a charge air temperature downstream of throttle valve | |
| Pressure sensor downstream of throttle valve | PRESSURE SENSOR DOWNSTREAM OF AIR FILTER | |
| Fuel pressure and temperature sensor | Senses a fuel pressure and fuel temperature in fuel rail. |
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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