Why does my Harley Davidson engine not start?
If you see that the engine cranks up normally but does not start, this might be caused by either no fuel, no spark, or no compression. To check whether or not it is caused by no spark, use the following method.
What to do if your Harley Davidson has no spark?
Just installed 12″ bars and cam plate. Buttoned it all up and tried to start it. Motor turns over fine, however no spark. Pulled the plug wires, put another plug in wire and no spark. Took tank back off, no pinched wires. Tested B terminal of coil plug and getting 12 + Volts. Removed power commander, hook bike back to ecm, no spark.
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.
How to check spark plugs on Harley Davidson Sportster?
Insert a spark tester into the wire and attach the tester to ground. Remove the fuel pump fuse. Refer to the article Fuse Box Information for fuse locations. Crank the engine and watch for spark. If spark is consistently present, the problem most likely lies with the spark plugs and you should continue to Step 2.
If you see that the engine cranks up normally but does not start, this might be caused by either no fuel, no spark, or no compression. To check whether or not it is caused by no spark, use the following method.
Just installed 12″ bars and cam plate. Buttoned it all up and tried to start it. Motor turns over fine, however no spark. Pulled the plug wires, put another plug in wire and no spark. Took tank back off, no pinched wires. Tested B terminal of coil plug and getting 12 + Volts. Removed power commander, hook bike back to ecm, 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 when I crank the engine?
The crankshaft position (CKP) sensor monitors the position or rotational speed of the crankshaft. If the crankshaft position sensor has failed completely, and isn’t sending a signal to the (ECU) at all, then the computer won’t send any fuel to the injectors. This will leave you unable to start the car.