Monthly Archives: May 2021

What are the Signs of Bad Fuel Injectors?

What are the Signs of Bad Fuel Injectors?

What are the Signs of Bad Fuel Injectors? A fuel injector supplies fuel to the engine. It has a nozzle that sprays the fuel into the cylinder for combustion to take place. For the process to be effective, the fuel must be delivered in the right amount and time. Besides, it must be at the right pressure, spray pattern, and angle for combustion to be successful. Most vehicles use Engine Control Units (ECUs) to manage fuel injectors via various sensors to ensure these parameters are met. If the fuel injector has a problem, you may notice various signs when the engine is running. Here are some of the most common ones: Engine stalling or rough idle: If the vehicle does not get enough fuel or gets an uneven supply, the RPM during idling goes down and results in violent or rough idle. If RPM goes too low, the car stalls and has to be restarted. Engine vibration: Sometimes, a faulty fuel injector causes the cylinder to shut without receiving fuel. There will be a hiccup in ... read more

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