I would check ur spark plugs 2 start off with. Then i would take them out and stick them in the spark plug leads 1 at a time n crank the car 2 make sure they r sparking then put the plugs in each spark plug lead n make sure there all ok. If you can get hold of a compression tester and check your compression in your cylinders. You can also buy little node lights that go into your fuel injector connectors 2 make sure the ecu is working.