Some common symptoms of clogged fuel injectors are hard starting, engine stalling, loss of engine power, hesitation or your engine starts but then dies when put in gear.
Your engine needs the proper amount of fuel spray to keep the engine running fine and when you accelerate the engine the engine needs more fuel spray.
When the engine doesn't get that fuel spray then it stalls or runs rough.
If your fuel injectors are clogged you can add a bottle of fuel injector cleaner to your gasoline tank after every second fill up and they will keep your engine running very smoothly.
The fuel injector cleaner helps to clean partially clogged fuel injectors and helps to prevent the fuel injectors from fully becoming clogged.
If you're noticing hesitation, or stalling then your fuel injectors could be partially clogged and sometimes adding some fuel injector cleaner to your fuel tank will help get the injectors cleaned enough to get them going good.
Sometimes when I notice hesitation or sometimes stalling I'll add a bottle of fuel injector cleaner to the engines fuel tank and it clears up within a few miles of driving.
If not then you'll need to have your fuel injectors professionally cleaned or replaced.