What makes injectors pulse?
The (PCM) uses the trigger signal from the crankshaft position sensor; and/or camshaft position sensor to pulse the injectors.
What causes weak injector pulse?
You could have bad injectors, a bad resistor box (unlikely as I haven’t ever seen a bad one unless someone else has), or a wiring issue. Meaning the ground circuit for the injectors goes directly to the ecu. …
How do I check my injectors?
Unplug the electrical connector from the fuel injector you want to test. Turn the ignition switch to the ON position. Touch the terminals (one at a time) of the harness connector with the test light. One of the terminals should make the test light glow, this is the injector power source coming from the computer.
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.
What happens if you have a bad fuel injector?
In several situations, a leak in a vehicle’s fuel injector can lead the fuel/air mix to become so rich that it burns out the car’s catalytic converter in the long run. It may not be that easy to diagnose a clogged fuel injector as they are similar to bad coil, bad spark plug, or broken spark plug. Maybe one cylinder or more fails to fire.
How does the engine control unit control the injector pulse?
Question: What controls the fuel injector pulse? Ans: The engine control unit is the electronic brain that used to control the fuel injector pulse by gathering data from various sensors along the fuel line
Why does my fuel injector make a sharp sound?
Fuel injectors make a sharp clicking sound, when they are functioning properly. So, the absence of this sound can indicate, a problem with an injector. In general, fuel injectors are hard wearing and with a little care, can often last; the life of the engine.