What sensor tells injectors to fire?
Electronic Control Unit (ECU)
Electronic Control Unit (ECU) The ECU is the brain of the operation. It uses engine RPM and signals from different sensors to meter the fuel. It does this by telling the fuel injectors when and how long to fire. The ECU often controls other functions like the fuel pump and ignition timing.
How do you know when your fuel injectors are bad?
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. The ECU triggers the warning light when the injector is delivering too much or too little fuel.
Why is there no fuel in the injectors?
The tractor in question has not been started for three years. It is quite common for the components of a stood injection pump to seize. Inside the injection pump there is a rack which engages with pinion teeth on the elements, rotating the elements which adjusts the amount of fuel delivered from zero to full depending on the engine requirement.
Why is my injector pulse not working on my car?
Ans: Having a stuck or clogged injector is a very wide known problem that happens because of the accumulation of carbon build-ups that coming out from using a low-grade fuel, so regularly using a fuel system cleaner can help you in this mission.
Why does my fuel injector smell like fuel?
Because fuel is leaking from the injector you will perceive fuel odor due either to the leak in the seal or in the injector. This is occurring because fuel is not burning properly as the injector is malfunctioning. Another thing that could cause fuel smell is a bad sensor or fuel line.
How does the fuel pump injector system work?
Inside the injection pump there is a rack which engages with pinion teeth on the elements, rotating the elements which adjusts the amount of fuel delivered from zero to full depending on the engine requirement.