* Dead battery: The battery may be dead or have a low charge. This can prevent the engine from getting the power it needs to start.
* Alternator problems: The alternator may be faulty and not charging the battery properly. This can lead to a dead battery or a battery that doesn't have enough power to start the engine.
* Starter problems: The starter may be faulty and not engaging the engine. This can prevent the engine from turning over.
* Fuel problems: There may be a problem with the fuel system, such as a clogged fuel filter or a faulty fuel pump. This can prevent the engine from getting the fuel it needs to start.
* Ignition problems: There may be a problem with the ignition system, such as a faulty spark plug or a bad ignition coil. This can prevent the engine from getting the spark it needs to start.
If your 2004 Buick Regal won't start, it's important to have it diagnosed by a qualified mechanic to determine the cause of the problem.
