Most Common Car Issues
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MOST COMMON PROBLEMS
INFINITI Q45 2004
The 2004 INFINITI Q45 is a luxurious sedan powered by a 4.5L V8 engine (VK45DE) from Nissan, delivering robust performance with its V-shaped, dual overhead cam (DOHC) design. This 4-door, rear-wheel-drive (4x2) vehicle offers advanced safety features, including front and side airbags for the driver and passenger. Built in Nissan's Tochigi plant in Japan, the Q45 combines elegance with reliable engineering.
Spec:
Engine Configuration
V-Shaped
Engine Manufacturer
Nissan
Engine Model
VK45DE
Engine Number of Cylinders
8
Problems:
Oil consumption
The VK45DE engine is known to consume oil more rapidly than other engines, which can lead to low oil levels and potential engine damage if not regularly monitored and topped up.
Timing chain wear
Over time, the timing chain can stretch or wear out, causing poor engine performance, rough idling, and potentially severe engine damage if it fails.
Fuel injector issues
Fuel injectors can become clogged or fail, leading to poor fuel economy, rough running, and engine misfires.
Cooling system problems
There can be issues with the radiator, water pump, or thermostat, which may cause engine overheating if not addressed promptly.
Throttle body malfunction
The throttle body can become dirty or fail, leading to poor engine response, stalling, and rough idling.
Ignition coil failure
Ignition coils can fail, leading to misfires, poor performance, and difficulty starting the engine.
Valve cover gasket leaks
The valve cover gaskets can deteriorate over time, leading to oil leaks and potential engine damage if the oil level drops too low.