The Dynamic Brake Support system may fail to assist in emergency braking situations, potentially due to sensor or software issues.

The turbocharger in the T-GDI Theta II engine can sometimes fail prematurely, leading to a loss of power and efficiency.

Some owners report higher-than-normal oil consumption, which could be due to piston ring issues or other internal engine problems.

The T-GDI Theta II engine might produce knocking or pinging noises under certain conditions, which could indicate problems with the ignition timing or fuel quality.

Direct injection engines, like the T-GDI Theta II, are prone to carbon buildup on intake valves, which can affect performance and fuel efficiency.

The engine might suffer from cooling system problems, such as leaks or thermostat failures, leading to overheating.

The high-pressure fuel pump in the T-GDI Theta II engine can sometimes fail, causing rough idling, stalling, or difficulty starting.

Issues with the timing chain tensioner can lead to a rattling noise during startup and can eventually cause severe engine damage if not addressed.

The 2022 Hyundai Elantra N might experience electrical issues related to the engine control unit (ECU) or other electronic components, affecting engine performance and reliability.

Although not directly related to the engine, transmission issues can indirectly affect engine performance, such as delayed shifting or slipping gears.

DBS system may not engage properly, leading to inadequate braking support during emergency stops.

Misfires can be caused by faulty spark plugs, ignition coils, or fuel injectors, leading to rough idling and poor performance.

This can be due to a malfunctioning thermostat, radiator issues, or coolant leaks, causing the engine to overheat.

Turbo lag, reduced power output, or unusual noises can occur due to problems with the turbocharger, such as oil supply issues or worn components.

Oil leaks can result from worn gaskets, seals, or valve covers, leading to reduced oil levels and potential engine damage.

A worn or loose timing chain/belt can cause improper engine timing, leading to performance issues or engine damage.

Problems with the fuel pump, fuel filter, or fuel injectors can lead to poor fuel delivery, causing starting issues and reduced performance.

Faulty sensors, wiring issues, or a failing ECU can cause various engine management problems, including stalling and poor performance.

Problems with the catalytic converter, muffler, or exhaust pipes can lead to increased emissions, noise, and reduced performance.

DBS system may not engage properly, leading to inadequate braking support during emergency stops.

Misfires can be caused by faulty spark plugs, ignition coils, or fuel injectors, leading to rough idling and poor performance.

This can be due to a malfunctioning thermostat, radiator issues, or coolant leaks, causing the engine to overheat.

Turbo lag, reduced power output, or unusual noises can occur due to problems with the turbocharger, such as oil supply issues or worn components.

Oil leaks can result from worn gaskets, seals, or valve covers, leading to reduced oil levels and potential engine damage.

A worn or loose timing chain/belt can cause improper engine timing, leading to performance issues or engine damage.

Problems with the fuel pump, fuel filter, or fuel injectors can lead to poor fuel delivery, causing starting issues and reduced performance.

Faulty sensors, wiring issues, or a failing ECU can cause various engine management problems, including stalling and poor performance.

Problems with the catalytic converter, muffler, or exhaust pipes can lead to increased emissions, noise, and reduced performance.

Common in older engines, often due to gasket wear or seal degradation.

Can occur from coolant leaks, a failing thermostat, or a worn water pump.

Often caused by dirty fuel injectors, a malfunctioning EGR valve, or spark plug issues.

May experience wear or stretching, leading to poor engine performance or failure.

Can cause poor acceleration and a rough idle, often due to cracked or disconnected hoses.

Leads to poor fuel delivery, causing stalling or starting issues.

Can result in incorrect air-to-fuel ratio, leading to poor performance and reduced fuel efficiency.

Causes misfires, rough running, and difficulty starting the engine.

Can cause coolant leaks, overheating, and white smoke from the exhaust.

Older Mercedes-Benz engines, including the 1997 C-Class, are known for developing oil leaks over time, particularly around the valve cover gaskets and oil pan gaskets.

The inline-6 engine can be prone to head gasket issues, which may cause coolant and oil to mix, leading to overheating and engine damage.

The timing chain and its associated components can wear out, leading to a rattling noise and potential engine timing issues.

Over time, fuel injectors can become clogged or faulty, causing rough idling, poor acceleration, and reduced fuel efficiency.

The MAF sensor can fail, leading to incorrect air-fuel mixture readings and causing the engine to run poorly or stall.

Vacuum lines and hoses can deteriorate, leading to leaks that affect engine performance and cause rough idling or stalling.

The Exhaust Gas Recirculation (EGR) valve can become clogged or fail, leading to increased emissions and poor engine performance.

A failing crankshaft position sensor can cause intermittent starting problems or engine stalling while driving.

DBS system may not engage properly, leading to inadequate braking support during emergency stops.

Misfires can be caused by faulty spark plugs, ignition coils, or fuel injectors, leading to rough idling and poor performance.

This can be due to a malfunctioning thermostat, radiator issues, or coolant leaks, causing the engine to overheat.

Turbo lag, reduced power output, or unusual noises can occur due to problems with the turbocharger, such as oil supply issues or worn components.

Oil leaks can result from worn gaskets, seals, or valve covers, leading to reduced oil levels and potential engine damage.

A worn or loose timing chain/belt can cause improper engine timing, leading to performance issues or engine damage.

Problems with the fuel pump, fuel filter, or fuel injectors can lead to poor fuel delivery, causing starting issues and reduced performance.

Faulty sensors, wiring issues, or a failing ECU can cause various engine management problems, including stalling and poor performance.

Problems with the catalytic converter, muffler, or exhaust pipes can lead to increased emissions, noise, and reduced performance.

The Dynamic Brake Support system may fail to assist in emergency braking situations, potentially due to sensor or software issues.

The turbocharger in the T-GDI Theta II engine can sometimes fail prematurely, leading to a loss of power and efficiency.

Some owners report higher-than-normal oil consumption, which could be due to piston ring issues or other internal engine problems.

The T-GDI Theta II engine might produce knocking or pinging noises under certain conditions, which could indicate problems with the ignition timing or fuel quality.

Direct injection engines, like the T-GDI Theta II, are prone to carbon buildup on intake valves, which can affect performance and fuel efficiency.

The engine might suffer from cooling system problems, such as leaks or thermostat failures, leading to overheating.

The high-pressure fuel pump in the T-GDI Theta II engine can sometimes fail, causing rough idling, stalling, or difficulty starting.

Issues with the timing chain tensioner can lead to a rattling noise during startup and can eventually cause severe engine damage if not addressed.

The 2022 Hyundai Elantra N might experience electrical issues related to the engine control unit (ECU) or other electronic components, affecting engine performance and reliability.

Although not directly related to the engine, transmission issues can indirectly affect engine performance, such as delayed shifting or slipping gears.

DBS system may not engage properly, leading to inadequate braking support during emergency stops.

Misfires can be caused by faulty spark plugs, ignition coils, or fuel injectors, leading to rough idling and poor performance.

This can be due to a malfunctioning thermostat, radiator issues, or coolant leaks, causing the engine to overheat.

Turbo lag, reduced power output, or unusual noises can occur due to problems with the turbocharger, such as oil supply issues or worn components.

Oil leaks can result from worn gaskets, seals, or valve covers, leading to reduced oil levels and potential engine damage.

A worn or loose timing chain/belt can cause improper engine timing, leading to performance issues or engine damage.

Problems with the fuel pump, fuel filter, or fuel injectors can lead to poor fuel delivery, causing starting issues and reduced performance.

Faulty sensors, wiring issues, or a failing ECU can cause various engine management problems, including stalling and poor performance.

Problems with the catalytic converter, muffler, or exhaust pipes can lead to increased emissions, noise, and reduced performance.

Common in older engines, often due to gasket wear or seal degradation.

Can occur from coolant leaks, a failing thermostat, or a worn water pump.

Often caused by dirty fuel injectors, a malfunctioning EGR valve, or spark plug issues.

May experience wear or stretching, leading to poor engine performance or failure.

Can cause poor acceleration and a rough idle, often due to cracked or disconnected hoses.

Leads to poor fuel delivery, causing stalling or starting issues.

Can result in incorrect air-to-fuel ratio, leading to poor performance and reduced fuel efficiency.

Causes misfires, rough running, and difficulty starting the engine.

Can cause coolant leaks, overheating, and white smoke from the exhaust.

Common in older engines, often due to gasket wear or seal degradation.

Can occur from coolant leaks, a failing thermostat, or a worn water pump.

Often caused by dirty fuel injectors, a malfunctioning EGR valve, or spark plug issues.

May experience wear or stretching, leading to poor engine performance or failure.

Can cause poor acceleration and a rough idle, often due to cracked or disconnected hoses.

Leads to poor fuel delivery, causing stalling or starting issues.

Can result in incorrect air-to-fuel ratio, leading to poor performance and reduced fuel efficiency.

Causes misfires, rough running, and difficulty starting the engine.

Can cause coolant leaks, overheating, and white smoke from the exhaust.