How are injectors supposed to spray?
Fuel injectors are located in the intake manifold and spray fuel through a tiny nozzle. The fuel injector uses a special nozzle to spray the fuel as mist, instead of a strong jet stream. Just think of the nozzle on the hose you use in your yard. You can change how the water flows out of your nozzle.
What bad fuel injectors look like?
The most common sign of a bad fuel injector is the check engine warning light, which appears on the dashboard. As soon as an injector isn’t doing what it should, this light will come on. (In other words, if it’s adding too much or too little.)
Where are the spray patterns on the injector?
It is located where the carburetor used to be and the fuel doesn’t hit the hot intake valve that would atomize the fuel like the multi port injector systems. It has to spray the fuel in a wider pattern to help mix it with the air better. In conclusion: There are quite a few different types of spray patterns.
What does it mean when a fuel injector has an irregular pattern?
A single, solid spray or irregular pattern means the injector needs cleaning, or that an internal part wore out or broke. You can try to fix an irregular fuel spray pattern by adding a quality cleaning fuel system additive to the fuel tank.
How can I tell if my fuel injector is working?
Ask an assistant to start (or crank the engine, if it doesn’t start). Check the spray pattern coming our of the injector. * Fuel should come out partially atomized in an inverted V pattern. A single, solid spray or irregular pattern means the injector needs cleaning, or that an internal part wore out or broke.
What should you know about DIY Fuel injector cleaning?
During the DIY fuel injector cleaning process the spray pattern which indicates atomization and distribution cannot be verified. The spray pattern of a fuel injector is very important the performance of the engine. It can also be determine the amount of Hydrocarbon [HC] and Carbon Monoxide [CO] that will be emitted.