Most Common Car Issues

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Engine Model

DOHC GDI TAU

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Engine Configuration

Engine Number of Cylinders

Make

Model

Model Year

MOST COMMON PROBLEMS

HYUNDAI Equus 2016

The 2016 Hyundai Equus is a luxury sedan powered by a 5.0L V8 engine with a DOHC GDI TAU configuration. It offers advanced safety features, including curtain airbags for the 1st and 2nd rows and knee airbags for the driver. This model, produced in Ulsan, South Korea, boasts a stoichiometric gasoline direct injection system and comes in the Signature and Ultimate series. With a refined design and comprehensive safety, the Equus is a solid choice for a premium driving experience.

Spec:

Engine Configuration

V-Shaped

Engine Model

DOHC GDI TAU

Engine Number of Cylinders

Problems:

Oil leaks

V-shaped engines, like the one in the 2016 Hyundai Equus, may develop oil leaks at the valve cover gaskets, rear main seal, and oil pan gasket due to the configuration and age.

Carbon buildup

The Direct Injection (GDI) system in the DOHC GDI TAU engine can lead to carbon buildup on intake valves over time, causing rough idling, misfires, and reduced performance.

Timing chain issues

The DOHC (Double Overhead Camshaft) setup can experience timing chain stretch or failure, leading to potential engine misfires or severe engine damage if not properly maintained.

Cooling system problems

V8 engines can generate significant heat, and the cooling system components (like the water pump, radiator, and thermostat) may be prone to failure, leading to overheating issues.

Ignition coil failure

With eight cylinders, the ignition coils in the Hyundai Equus may wear out or fail, causing misfires, poor fuel economy, and engine hesitation.

Fuel injector problems

GDI engines can experience issues with fuel injectors becoming clogged or failing, leading to poor fuel delivery and engine performance issues.

HYUNDAI Genesis 2013

The 2013 Hyundai Genesis is a premium sedan equipped with a powerful 5.0L DOHC GDI TAU engine. It features advanced safety with curtain and side airbags in both the 1st and 2nd rows. Manufactured in Ulsan, South Korea, this model comes with various trim options, including the 5.0 R-Spec. The Genesis combines luxury, performance, and safety in a sleek four-door design.

Spec:

Engine Model

DOHC GDI TAU

Problems:

Oil consumption

Higher-than-normal oil consumption due to piston ring issues or valve stem seals.

Carbon build-up

Direct injection engines often suffer from carbon deposits on intake valves, affecting performance and fuel efficiency.

Knocking noise

Engine knocking or pinging due to pre-ignition or detonation, potentially caused by carbon build-up or poor-quality fuel.

Timing chain tensioner failure

Timing chain tensioners can wear out, leading to chain slack and potential timing issues.

Fuel injector issues

Clogged or failing fuel injectors can lead to misfires, rough idling, and poor fuel economy.

Cooling system problems

Issues with the water pump or radiator can lead to overheating.

Sensor failures

Malfunctioning oxygen sensors or mass airflow sensors can lead to poor engine performance and increased emissions.

Throttle body issues

Throttle body can get dirty or fail, causing erratic idling and acceleration problems.