Excessive oil consumption is a known issue in some V8 engines, including the 2UR-GSE, which can lead to lower engine performance and potential damage if not monitored.

The combination of port and direct fuel injection can lead to carbon deposits on the intake valves, which may cause rough idling and reduced performance over time.

Some users have reported issues with the timing chain tensioner, which can lead to noise from the engine and potential timing problems if not addressed.

The high-pressure fuel pumps on some port and direct injection engines can fail, leading to fuel delivery issues and engine performance problems.

This can occur due to improper fueling or ignition timing, often exacerbated by carbon build-up or fuel system issues.

The design of the engine can lead to spark plug fouling, which can cause misfires and rough engine operation if not routinely checked and replaced as needed.

Knocking or pinging noise can occur in V-shaped engines due to improper fuel mixture, carbon deposits, or issues with ignition timing.

V8 engines like the 2UR-GSE may experience higher oil consumption, which can be due to worn piston rings or valve seals.

V-shaped engines often require regular maintenance of timing belts or chains to prevent misalignment or breakage, which can lead to engine failure.

The complexity of V8 engines can sometimes lead to overheating issues if the cooling system is not maintained properly.

With both port and direct injection systems, there can be issues with clogged injectors or carbon buildup, affecting engine performance.

V8 engines can put more stress on spark plugs, leading to more frequent replacements if not regularly checked.

Due to the high performance of engines like the 2UR-GSE, camshaft wear can occur, leading to rough idling or reduced power.

V-shaped engines can develop leaks around the exhaust manifold, which may cause a ticking noise or reduced engine efficiency.

V-shaped engines like the 2UR-GSE can experience misfires due to ignition coil or spark plug issues, especially if not maintained properly.

V8 engines can experience higher oil consumption, which may lead to lower engine performance if not monitored regularly.

The PORT+DIRECT fuel injection system can lead to carbon buildup on intake valves, affecting engine efficiency and power.

Over time, the timing chain in V8 engines can stretch or wear out, potentially leading to timing issues and engine performance problems.

Powerful engines with high horsepower, like the 472 hp engine, may experience overheating if the cooling system is not functioning optimally.

Direct injection systems can sometimes lead to clogged fuel injectors, resulting in reduced engine performance and efficiency.

The 2GR-FSE engine is known for higher-than-average oil consumption, which can lead to low oil levels if not monitored regularly.

Due to the direct injection system, carbon deposits can accumulate on the intake valves, affecting performance and fuel efficiency.

The water pump on this engine has been reported to fail prematurely, which can lead to overheating if not addressed.

The timing chain tensioner can wear out over time, leading to a noisy engine or even potential timing chain failure.

The dual injection system (port and direct) can have issues with fuel injectors, potentially causing misfires or rough idling.

The Positive Crankcase Ventilation (PCV) valve can fail, leading to increased oil consumption and potential engine performance issues.

There have been reports of leaks in the cooling system, particularly around the radiator and hoses, which can lead to overheating.

The intake manifold gasket can deteriorate, causing vacuum leaks that affect engine performance and fuel economy.

The knock sensor can fail, causing the engine control unit (ECU) to misinterpret engine knocking and potentially retard timing excessively.