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What symptoms does the car fuel nozzle exhibit when it breaks?

The automobile fuel nozzle is one of the key components of the EFI engine, and its working condition directly affects the engine's performance.

However, many owners do not pay attention to cleaning the engine nozzle or think that the engine nozzle cleaning interval is long. Nozzle clogging is one of the main reasons leading to the failure of the automobile fuel injection nozzle. Carbon deposits on the nozzle or impurities in the fuel block the nozzle passage, causing the nozzle to malfunction.

Additionally, after the car runs for a period of time, the fuel system will accumulate a certain amount of sediment, and the formation of sediment is directly related to the type of fuel used.

Firstly, the gum and impurities contained in the gasoline itself, or the dust and impurities brought into the storage and transportation process, will form mud-like deposits in the car's fuel tank, oil inlet pipe, and other parts. When the fuel nozzle fails, the following symptoms may occur:

Act like a tough target. The engine trouble light comes on, the engine shakes badly, and the car has difficulty starting.

Unqualified exhaust gas. Vehicle fuel nozzle failure will lead to substandard exhaust emissions, and vehicles cannot pass the annual inspection.

Uneven fuel injection. Nozzle failure will lead to uneven fuel injection, affecting the combustion efficiency of the engine, and reducing the power and fuel economy of the vehicle.

Engine performance degradation. Nozzle failure will lead to engine performance decline, smooth acceleration, jitter during driving, and other problems.

If your car exhibits the above symptoms, it is recommended to check the working condition of the fuel injector in time, and clean or replace the fuel injector to ensure the normal operation of the engine. At the same time, regular maintenance of the car, keeping the nozzle clean, can effectively prevent nozzle failure.