JT8UF11E3P0182382

The 1993 Lexus LS 400 is a luxury sedan powered by a 4.0L V8 engine, producing between 250 and 300 horsepower. Manufactured by Toyota at the Tahara Plant in Japan, this model features a 4-speed automatic transmission. It offers premium comfort and safety with dual front airbags and manual seat belts. The 1UZ-FE engine and DOHC valve train design highlight its performance-oriented engineering.

Decoded VIN:

Make

LEXUS

Manufacturer Name

TOYOTA MOTOR CORPORATION

Model

Model Year

1993

Plant City

TAHARA

Series

LUXURY SEDAN

Trim

400

Vehicle Type

PASSENGER CAR

Plant Country

JAPAN

Plant Company Name

Toyota Motor Corporation - Tahara Plant

Plant State

AICHI

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)

Transmission Style

Automatic

Transmission Speeds

Engine Number of Cylinders

Displacement (CC)

3969

Displacement (CI)

242.2

Displacement (L)

Engine Model

1UZ-FE

Fuel Type - Primary

Gasoline

Valve Train Design

Dual Overhead Cam (DOHC)

Engine Configuration

V-Shaped

Engine Brake (hp) From

250

Engine Brake (hp) To

300

Engine Manufacturer

Toyota

Seat Belt Type

Manual

Front Air Bag Locations

1st Row (Driver and Passenger)

Most common problems:

Oil leaks

The 1UZ-FE engine, especially in higher mileage vehicles, is known to develop oil leaks from the valve cover gaskets and the front main seal.

Timing belt wear

The 1UZ-FE engine uses a timing belt that requires periodic replacement. If not replaced, it can lead to catastrophic engine damage.

Cooling system issues

Older engines like the 1UZ-FE can suffer from radiator, water pump, and thermostat failures, leading to overheating problems.

Ignition coil failure

The ignition coils on this engine may fail over time, causing misfires and rough running conditions.

Power steering pump leaks

The power steering pump in the 1UZ-FE is prone to developing leaks, leading to loss of power steering fluid and functionality.

Carbon build-up

Over time, carbon deposits can accumulate in the intake manifold and on the valves, affecting performance and fuel efficiency.

Sensor malfunctions

The age of the vehicle can lead to various sensor issues, such as the oxygen sensor, mass air flow sensor, and throttle position sensor, causing performance problems and check engine lights.

Exhaust manifold cracks

The exhaust manifold on the 1UZ-FE can develop cracks, leading to exhaust leaks and increased engine noise.

Vacuum leaks

The rubber vacuum hoses can deteriorate over time, causing vacuum leaks that affect engine performance and idle quality.

Fuel injector issues

The fuel injectors can become clogged or fail, leading to poor fuel delivery and engine misfires.

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