Most Common Car Issues

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Model

M45

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Engine Configuration

Engine Manufacturer

Engine Model

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MOST COMMON PROBLEMS

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

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 2008

The 2008 INFINITI M45 is a luxury sedan powered by a 4.5L V8 engine, producing robust performance while maintaining a refined driving experience. Manufactured by Nissan Motor Company in Tochigi, Japan, this sedan features comprehensive safety measures, including front, side, and curtain airbags for the first row. With a Gross Vehicle Weight Rating under 6,000 lbs, it’s built for both performance and safety. The M45 also comes equipped with a direct Tire Pressure Monitoring System (TPMS) to ensure optimal driving conditions.

Spec:

Problems:

Oil consumption

The 2008 INFINITI M45 may experience higher than normal oil consumption due to engine design issues.

Timing chain issues

Over time, the timing chain can stretch or wear out, leading to poor engine performance or failure.

Transmission problems

Some owners report issues with the automatic transmission, such as hard shifting or failure to engage.

Electrical issues

Problems with the vehicle's electrical system, such as malfunctioning sensors or failing control modules, are not uncommon.

Suspension wear

The suspension components, particularly the struts and bushings, may wear out prematurely, leading to a rough ride and poor handling.

Fuel injector problems

Fuel injectors may become clogged or fail, causing the engine to misfire or run poorly.

Brake wear

Premature wear of brake pads and rotors can occur, leading to reduced braking performance and the need for frequent replacements.

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

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 2006

The 2006 INFINITI M45 is a luxurious sedan powered by a 4.5L V8 engine (VK45DE) from Nissan, delivering a refined driving experience. It features comprehensive safety equipment, including front, side, and curtain airbags for the driver and passenger. Manufactured in Tochigi, Japan, this vehicle combines performance with elegance, making it an excellent choice for discerning drivers.

Spec:

Engine Configuration

V-Shaped

Engine Manufacturer

Nissan

Engine Model

VK45DE

Engine Number of Cylinders

Problems:

Oil consumption issues

The VK45DE engine is known for higher than normal oil consumption, which can lead to low oil levels and potential engine damage if not monitored closely.

Timing chain wear

Over time, the timing chain on the VK45DE can stretch or wear out, leading to issues with engine timing and potentially causing engine performance problems or failure.

Variable valve timing (vvt) issues

Problems with the VVT system, such as faulty solenoids or actuators, can lead to poor engine performance, reduced fuel economy, and increased emissions.

Cooling system problems

Radiator and coolant leaks are common issues that can cause the engine to overheat if not addressed promptly.

Injector problems

Fuel injector failure or clogging can lead to misfires, poor fuel economy, and rough idling.

Camshaft position sensor failure

A failing camshaft position sensor can cause the engine to stall, misfire, or have difficulty starting.

Intake manifold gasket leaks

Leaks in the intake manifold gasket can cause vacuum leaks, leading to rough idling and poor engine performance.

Exhaust system issues

Problems with the exhaust system, such as leaks or failing catalytic converters, can affect engine performance and emissions.