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 QX80 Base, AWDFACTORY OEM SERVICE PROCEDURE
Engine Compartment
| 1. | Ignition coil (with power transistor) and spark plug (bank 2) | 2. | VVEL actuator motor (bank 2) | 3. | Camshaft position sensor (bank 2) |
| 4. | Exhaust valve timing control position sensor (bank 2) | 5. | High pressure fuel pump | 6. | Exhaust valve timing control solenoid valve (bank 2) |
| 7. | Intake valve timing control solenoid valve (bank 2) | 8. | Multi-way control valve | 9. | Engine oil temperature sensor |
| 10. | Intake valve timing control solenoid valve (bank 1) | 11. | Exhaust valve timing control solenoid valve (bank 1) | 12. | Exhaust valve timing control position sensor (bank 1) |
| 13. | Camshaft position sensor (bank 1) | 14. | Ignition coil (with power transistor) and spark plug (bank 1) | 15. | Positive crankcase ventilation (PCV) valve |
| 16. | VVEL actuator motor (bank 1) | 17. | VVEL control shaft position sensor (bank 1) | 18. | Crankshaft position sensor |
| 19. | Engine coolant temperature sensor 1 | 20. | VVEL control shaft position sensor (bank 2) | 21. | Fuel injector (bank 2) |
| 22. | Knock sensor (bank 2) | 23. | Knock sensor (bank 1) | 24. | Fuel injector (bank 1) |
| 25. | Fuel rail pressure sensor | 26. | Engine oil pressure sensor | ||
| A. | Rear view of the engine | B. | Top view of the engine (View with intake manifold is removed) |
C. | Right side view of the engine |
| : Engine front |
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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