Why is the ECM on my car not working?
“seeing” the crank sensor signal and pulsing the injectors because of it. Ground is good, but when checking pin 2 3 and 4 the led does NOT flash. I checked the wiring from the harness plug to the ECM connector and the wiring is good. The bently states that if the wiring is good that the ECM may be faulty.
How to know if your engine has no spark?
First Confirm Your Engine Has No Spark. 1 Disable the fuel system by removing the fuel pump fuse or relay. 2 Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. 3 Finally, Have someone crank the engine and watch for spark.
Why does my car not start with no fuel?
Well, just replaced the crankshaft position sensor this morning, and still no spark/fuel. I’m thinking it could possibly be coil pack although there are no signs of fault on the outside. Could it be something in my fuel system that is causing it not to spark or would it be in ignition system.
What causes a car to stall with no spark?
Consequently, An old or failing ignition pickup may cut out signal intermittently, which may cause the engine to stall. The engine may suddenly just shut off, almost as if the key had been turned off. Depending on the nature of the issue, sometimes the vehicle can be restarted and driven.
What to do if there is no spark or fuel?
If there is no spark or fuel, then the first thing I would do is check the vehicle’s fuses and relays, particularly the EFI main and ignition relays. It may be possible that one of these components has failed and is cutting off power to the vehicle’s ignition and fuel systems.
First Confirm Your Engine Has No Spark. 1 Disable the fuel system by removing the fuel pump fuse or relay. 2 Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. 3 Finally, Have someone crank the engine and watch for spark.
“seeing” the crank sensor signal and pulsing the injectors because of it. Ground is good, but when checking pin 2 3 and 4 the led does NOT flash. I checked the wiring from the harness plug to the ECM connector and the wiring is good. The bently states that if the wiring is good that the ECM may be faulty.
What does no start, no fuel pump mean?
Not sure if that is the problem though as that fuse may get power after a relay closes? fuse is good. Any other ideas? No start, no spark, no fuel pump. working on my 2008 screaming eagle ultra classic that I just got. Engine is a no start.