Some Pontiac Grand Am owners report experiencing starting and running issues despite having a new battery and plugs. These problems may stem from a dead battery that is not being charged properly by a malfunctioning alternator. Additionally, some owners find that a failed starter can prevent the vehicle from starting, regardless of recent battery and plug replacements. Fuel system issues, such as fuel pressure problems, clogged filters, or malfunctioning injectors, can also lead to difficulties in keeping the car running. Ignition system problems, including faulty ignition coils or a malfunctioning ignition switch, may further contribute to these issues. Furthermore, electrical problems like faulty wiring or a malfunctioning engine control module (ECM) can impact the car's ability to start and run smoothly. It is crucial for owners experiencing these symptoms to seek a mechanic's assistance for accurate diagnosis and resolution.
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