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.
How can I tell if my fuel injectors are working?
These are all, fuel & air metering injector circuit related codes. Another helpful diagnostic tool is an engine stethoscope. This tool enables a car owner, to listen for any problems with the fuel injectors; by placing the tip of the stethoscope on each injector. Fuel injectors make a sharp clicking sound, when they are functioning properly.
What are the symptoms of a bad fuel pump?
The engine may still crank when the key is turned, however it will not be able to start due to lack of fuel. This symptom can also be caused by a wide variety of other issues, so having the vehicle properly diagnosed is highly recommended. 3. No noise from the fuel pump
How can I keep my fuel injector in good health?
Another great way to keep injectors in good health is; to regularly add a fuel injector cleaner to to your fuel tank. Many manufacturers claim that these cleaners, will give your car extra power or increased mpg. They probably won’t, or make much difference, to a car that is running properly.
What happens when fuel injector does not open properly?
Misfiring Engine. The engine misfires when the fuel injector is dirty, clogged or does not open properly. A misfiring engine will cause disturbance to acceleration, reduce fuel efficiency and will also result in loss of power. This requires immediate attention as your engine could also overheat and eventually stall.
Are there injectors fired in pairs in a 1994 corolla?
@Cougar my 1994 Tercel injectors are fired in pairs. I believe my 1995 Corolla was the same way. I believe that all current cars have sequential injection, though. But you guys are right about the injectors. The PCM provides the ground. UPDATE: Hi, There are no breaks in the injector connector driver (ground) wire to the PCM.
Where is the fuel injector located on a diesel car?
Fuel Injector Location The fuel injectors are located on the engine’s intake side, under the fuel rail, which is often located on the intake manifold. If you have a diesel car, your fuel injector is likely located in the cylinder head, but gas fuel injectors are installed on the intake manifold in almost all cases.
Is it normal to have power to injector with key off?
Having power to the injector with the key off may be normal as most systems run the return side of the circuit through the ECU and no current flows in the circuit until the ECU commands the injector to turn on. Did you compare other injectors also to what you found on that one?