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Decoded VIN

JNKAY41EX4M400448

2004 INFINITI M45

Vehicle Summary

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.

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Complete Specifications

Make

INFINITI

Manufacturer Name

NISSAN MOTOR COMPANY, LTD

Model

M45

Model Year

2004

Plant City

TOCHIGI

Vehicle Type

PASSENGER CAR

Plant Country

JAPAN

Plant Company Name

TOCHIGI PLANT

Plant State

KAMINOKAWA

Body Class

Sedan/Saloon

Doors

Gross Vehicle Weight Rating From

Class 1: 6,000 lb or less (2,722 kg or less)

Gross Vehicle Weight Rating To

Class 1: 6,000 lb or less (2,722 kg or less)

Drive Type

4x2

Engine Number of Cylinders

Displacement (CC)

4494

Displacement (CI)

274.2

Displacement (L)

4.5

Engine Model

VK45DE

Fuel Type - Primary

Gasoline

Valve Train Design

Dual Overhead Cam (DOHC)

Engine Configuration

V-Shaped

Engine Manufacturer

Nissan

Seat Belt Type

Manual

Curtain Air Bag Locations

All Rows

Front Air Bag Locations

1st Row (Driver and Passenger)

Side Air Bag Locations

1st Row (Driver and Passenger)

Common Issues for This Vehicle

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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