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Most Common Car Issues Vin Explorer

Most Common Car Issues

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Engine Model
VK45DE
Model Year
2004

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Engine Configuration
Engine Manufacturer
Engine Number of Cylinders
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Model

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.
INFINITI M45 2004

The 2004 INFINITI M45 is a luxury sedan powered by a 4.5L V8 engine, producing a robust performance. Built in Tochigi, Japan, this model features comprehensive safety with curtain and side airbags for all rows. Designed by Nissan, it offers a refined driving experience with its Dual Overhead Cam (DOHC) valve train and 4x2 drive type. Perfect for those seeking a blend of power and elegance.

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 have issues with excessive oil consumption, which can lead to low oil levels and potential engine damage if not monitored regularly.
Timing chain wear
Over time, the timing chain can stretch or wear out, leading to poor engine performance and potentially severe internal damage if the timing chain fails.
Valve cover gasket leaks
The valve cover gaskets can deteriorate, leading to oil leaks. This can cause oil to drip onto hot engine parts, potentially causing smoke or even fire hazards.
Cooling system issues
The cooling system may develop leaks or the radiator may become clogged, leading to overheating problems which can cause significant engine damage if not addressed.
Spark plug and ignition coil problems
Misfires and rough running can occur due to faulty spark plugs or ignition coils. This can affect fuel efficiency and overall engine performance.
Camshaft and crankshaft position sensor failures
These sensors can fail, leading to poor engine performance, stalling, or difficulty starting the vehicle.
Fuel injector problems
Fuel injectors may become clogged or fail, leading to poor fuel delivery, reduced power, and increased emissions.
Mass air flow (maf) sensor issues
A faulty MAF sensor can lead to incorrect air-fuel mixture, causing rough idling, poor acceleration, and decreased fuel efficiency.
INFINITI M45 2004

The 2004 INFINITI M45 is a luxurious sedan powered by a robust 4.5L V8 engine (VK45DE) from Nissan, delivering impressive performance. Manufactured in Tochigi, Japan, this model features a dual overhead cam (DOHC) valve train design and offers extensive safety with curtain airbags in all rows and front and side airbags for the driver and passenger. With a 4x2 drive type, it ensures smooth city driving. The M45 combines elegance and power, making it a standout in the passenger car category.

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 have issues with excessive oil consumption, which can lead to low oil levels and potential engine damage if not monitored regularly.
Timing chain wear
Over time, the timing chain can stretch or wear out, leading to poor engine performance and potentially severe internal damage if the timing chain fails.
Valve cover gasket leaks
The valve cover gaskets can deteriorate, leading to oil leaks. This can cause oil to drip onto hot engine parts, potentially causing smoke or even fire hazards.
Cooling system issues
The cooling system may develop leaks or the radiator may become clogged, leading to overheating problems which can cause significant engine damage if not addressed.
Spark plug and ignition coil problems
Misfires and rough running can occur due to faulty spark plugs or ignition coils. This can affect fuel efficiency and overall engine performance.
Camshaft and crankshaft position sensor failures
These sensors can fail, leading to poor engine performance, stalling, or difficulty starting the vehicle.
Fuel injector problems
Fuel injectors may become clogged or fail, leading to poor fuel delivery, reduced power, and increased emissions.
Mass air flow (maf) sensor issues
A faulty MAF sensor can lead to incorrect air-fuel mixture, causing rough idling, poor acceleration, and decreased fuel efficiency.
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