Most Common Car Issues

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Dynamic Brake Support (DBS)

Engine Brake (hp) From

Engine Model

Engine Number of Cylinders

Make

Model

Other Engine Info

MOST COMMON PROBLEMS

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.

GENESIS G90 2017

The 2017 Genesis G90 5.0 Ultimate is a luxurious sedan powered by a 5.0L V8 engine from Hyundai Motor Co., delivering 420 hp. This South Korean-built vehicle features comprehensive safety with airbags in the first and second rows, including knee and side airbags. Its elegant design is matched with advanced engineering, making it a standout in the premium sedan category.

Spec:

Engine Brake (hp) From

420

Engine Manufacturer

HMC

Engine Model

GDI TAU

Engine Number of Cylinders

Problems:

Oil consumption

Higher oil consumption can occur due to worn piston rings or valve seals, leading to frequent oil top-ups.

Engine knocking

This can be caused by using lower octane fuel than recommended, carbon buildup, or issues with the timing.

Fuel injector issues

Dirty or clogged fuel injectors can lead to poor fuel economy and misfires.

Timing chain/belt problems

Timing chain or belt wear can cause engine performance issues and, if not addressed, severe engine damage.

Cooling system failures

Problems with the radiator, water pump, or thermostat can cause the engine to overheat.

Misfires

Misfires can be caused by faulty spark plugs, ignition coils, or fuel delivery issues.

Sensor failures

Malfunctioning sensors such as the MAF, O2, or knock sensor can lead to various engine performance problems.

Turbocharger issues (if equipped)

Problems with the turbocharger can lead to reduced power and efficiency.