Most Common Car Issues

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Dynamic Brake Support (DBS)

Engine Brake (hp) From

MOST COMMON PROBLEMS

HYUNDAI Sonata 2016

The 2016 Hyundai Sonata is a sleek sedan powered by a 2.4L inline-4 engine with DOHC GDI THETA-II technology. It features comprehensive safety with air bags for the 1st and 2nd rows, including side and curtain air bags. This model is equipped with a direct TPMS and Stoichiometric Gasoline Direct Injection for efficient fuel management. Assembled in Alabama, it's a reliable choice for those seeking a balanced blend of performance and safety.

Spec:

Engine Configuration

In-Line

Engine Model

DOHC GDI THETA-II

Engine Number of Cylinders

Problems:

Oil leaks

The Theta-II engine is known for oil leaks, often due to problems with the valve cover gasket or oil pan gasket.

Engine stalling

Some owners report engine stalling issues, which could be due to a faulty crankshaft position sensor or issues with the fuel system.

Timing chain problems

The engine may experience timing chain tensioner problems, leading to a noisy engine and potential timing chain failure.

Excessive oil consumption

This engine is known for excessive oil consumption, often due to piston ring wear or other internal engine components.

Carbon buildup

Direct injection engines like the Theta-II GDI can suffer from carbon buildup on intake valves, leading to performance issues and rough idling.

Knocking noise

Some engines develop knocking noises due to connecting rod bearing wear or issues with the fuel injection system.

Overheating

Cooling system issues, such as a failing water pump or thermostat, can cause the engine to overheat.

Engine misfire

Misfiring can occur due to faulty ignition coils, spark plugs, or fuel injectors.

HYUNDAI Sonata 2017

The 2017 Hyundai Sonata is a sleek, left-hand drive sedan with a robust 2.4L GDI Theta-II engine producing 187 hp. This five-seater offers a comfortable ride, equipped with standard features like Dynamic Brake Support (DBS), ABS, a backup camera, and Electronic Stability Control (ESC). Safety is a priority with front, side, and curtain airbags for both rows. Priced at $21,950, this model boasts a top speed of 130 MPH and is manufactured in Montgomery, Alabama.

Spec:

Dynamic Brake Support (DBS)

Standard

Engine Brake (hp) From

187

Engine Manufacturer

HMC

Engine Number of Cylinders

Other Engine Info

GDI, THETA-II

Problems:

Engine knocking

Engine knocking in Hyundai Sonata vehicles, especially with the Theta-II engine, is a known issue. It is often caused by irregular combustion, which can be due to poor fuel quality, carbon buildup, or faulty components.

Oil consumption

Excessive oil consumption has been reported in some 2017 Hyundai Sonata models. This can be due to worn piston rings or valve seals, leading to decreased engine performance and potential engine damage.

Engine stalling

Some drivers have experienced unexpected engine stalling, which can be due to issues with the fuel delivery system, a faulty crankshaft position sensor, or problems with the engine control unit (ECU).

Timing chain problems

The Theta-II engine has been known to have issues with the timing chain tensioner, which can lead to improper timing chain operation, causing noise, reduced performance, and potential engine damage.

Fuel injector issues

Fuel injector clogging or failure can result in poor engine performance, misfires, and reduced fuel economy. This is particularly a concern in direct injection engines like the GDI used in the Sonata.

Knock sensor issues

Faulty knock sensors can lead to improper engine timing adjustments, resulting in knocking or pinging sounds and potential engine damage if not addressed.

Cooling system failures

Problems with the cooling system, such as a faulty thermostat or water pump, can lead to engine overheating, which can cause significant engine damage if not resolved promptly.