Clogged Fuel Injector or Filter: The Warning Signs
Your engine runs on a delicate balance of fuel and air. Dirt, sand and other impurities can clog your fuel filter and starve your fuel injectors. Starved or clogged fuel injectors can impede engine performance and reduce fuel efficiency.
Warning signs of a clogged fuel injector or fuel filter include:
stalling while driving
misfiring or hesitation during acceleration
difficulty starting or long cranking periods