What causes cylinder not to fire?
What causes cylinder not to fire? When an engine misfires, one or more cylinders fail to fire properly, either because of ignition or fuel-related issues. The most common cause for a misfire is a problem related to the ignition system. Misfiring can be caused by loss of spark; imbalanced air/fuel mixture; or loss of compression. 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....