im trying to find out what could be the cause of my car not getting fire

im not sure its my wifes car is there a easy way to check that

Not a DIY, take it to a repair shop. :)

I changed the crankshaft sensor today still the same thing I am a back yard mechanic and know how to do most of the work I was just wondering if there was a easy way to check it before I pull the covers off and look