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JTHBN36F840167346
Vehicle Summary
The 2004 Lexus LS 430 is a luxurious sedan powered by the 3UZ-FE engine, a 4.3-liter V8 delivering 300 horsepower. Manufactured by Toyota Motor Corporation in Tahara, Japan, this model features a comprehensive safety package with front, side, knee, and curtain airbags for the first-row occupants. With a focus on performance and comfort, it utilizes a water-cooled, Dual Overhead Cam (DOHC) engine design and a multipoint fuel injection system for efficient fuel delivery. The LS 430 is a part of the UFC30L series and offers a 4x2 drive type, catering to those who value premium driving experiences.
Complete Specifications
Common Issues for This Vehicle
Oil leaks
The Toyota 3UZ-FE engine, found in the 2004 Lexus LS, is known to develop oil leaks over time, particularly from the valve cover gaskets and camshaft seals.
Timing belt wear
The 3UZ-FE engine uses a timing belt, which should be replaced at regular intervals to avoid potential engine damage. If not maintained, the timing belt can wear out and potentially break, causing significant engine issues.
Ignition coil failure
This engine can experience ignition coil failures, which can lead to misfires, rough idling, and reduced engine performance.
Cooling system issues
Over time, components of the cooling system such as the radiator, water pump, and hoses may fail, leading to overheating problems.
Carbon build-up
The V-shaped 8-cylinder configuration can be prone to carbon build-up on the intake valves and combustion chamber, which can affect engine performance and fuel economy.
Throttle body problems
The throttle body can become dirty or malfunction, causing poor throttle response and erratic engine behavior.
Mass air flow sensor (maf) issues
The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and resulting in poor engine performance and fuel economy.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run inefficiently, increasing fuel consumption and emissions.
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