Is there a spark and no injector pulse?
Is there a spark and no injector pulse?
There is absolutely no spark, and no injector pulse whatsoever. I swapped the cam and crank sensors over from the other engine. I checked the cam and crank cogs for broken teeth. I checked the signal of both sensors at the sensor while cranking. I checked the signal of both sensors at the ECU while cranking.
What causes no power to fuel injectors?
The most important signals that determine the accuracy of a signal coming out of ECU to injectors are crankshaft position sensor and camshaft position sensor, so to test a bad injector, you have to check the voltage on the injector when the ignition key is turned on: NO VOLTAGE? , so what causes no power to fuel injectors?
Is there an injector pulse on a WRX?
Nothing, it just cranks. There is absolutely no spark, and no injector pulse whatsoever. I swapped the cam and crank sensors over from the other engine. I checked the cam and crank cogs for broken teeth. I checked the signal of both sensors at the sensor while cranking.
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
What does it mean when there is no injector pulse?
In case of that, there is no injector pulse or spark, this means that is your ECU has failed in operating in this case you have to get your ECU changed or visit an expert. You May Like: Low Fuel Light Comes on When Tank Is Full Causes and How to solve it Question: What controls the fuel injector pulse?
The most important signals that determine the accuracy of a signal coming out of ECU to injectors are crankshaft position sensor and camshaft position sensor, so to test a bad injector, you have to check the voltage on the injector when the ignition key is turned on: NO VOLTAGE? , so what causes no power to fuel injectors?
Can a shorted fuel injector cause a group fire?
It is strange that one shorted fuel injector can cause all the other injectors to not fire, but this is exactly what can happen with a group fired system. “Group fire” means there is only one transistor in the computer that controls all of the injectors at the same time. https://www.youtube.com/playlist?list…
How can I test the resistance of my injector?
Another way to test the injector is to measure the resistance of every injector between the two terminals and compare it with the highest and lowest values stated in the injector datasheet; if the result outside the allowable boundaries, then change this injector.
Why is my N16 Pulsar engine not working?
If you have fuel pressure and hear ticking your injectors are fine and working. Crank angle sensors tell the ECU where the crankshaft is in relation to everything, so it controls the spark and injector pulse. No sensor means no spark or injector pulse, therefore no engine……..
What causes the fuel pump to not start?
The fuel pump is running and delivering normal pressure to the engine But, with all that working your engine still will not start. So, the most likely cause, is that the fuel injectors are probably not opening. The (PCM) uses the trigger signal from the crankshaft position sensor; and/or camshaft position sensor to pulse the injectors.
What to do when fuel pressure is low on a pulsar?
Put a long screwdriver against a injector, put your ear against the screwdriver handle and use it as a stethoscope. Get someone to crank it and listen if you hear ticking. If you have fuel pressure and hear ticking your injectors are fine and working.
What causes a pulse engine to not start?
Pulse can be tested with a special test light. If the test light blinks, then the injector should fire. If not, then a plugged or failed injector is the cause. There are several special tool / tests to check the injector system. 4. Is the engine mechanically capable of starting. Checking the internal components of the engine is required.
The fuel pump is running and delivering normal pressure to the engine But, with all that working your engine still will not start. So, the most likely cause, is that the fuel injectors are probably not opening. The (PCM) uses the trigger signal from the crankshaft position sensor; and/or camshaft position sensor to pulse the injectors.
What causes an engine to have no spark?
No spark can be caused by many things. A faulty sensor, computer, ignition module, etc. Spark on some spark plugs can be caused by faulty ignition coil, spark plug wires or the plugs themselves. 3. Do the injectors fire and spray fuel into the engine.
