Ford Mustang sluggish power issue on Ford Mustang

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Ford Mustang owners report experiencing sluggish power due to various potential causes. These include blocked fuel injectors, which can lead to sluggish acceleration, choppy idling, and poor engine performance. Additionally, a dirty air filter may restrict airflow, resulting in decreased engine power and increased fuel consumption, with severe cases potentially causing engine stalls. Some owners find that resetting the Engine Control Unit (ECU) and checking components like plug gaps and air filters can help alleviate power issues. Intermittent starting problems are also reported, which may stem from faulty components such as the fuel pump or ignition coil, necessitating checks and possible replacements. Addressing these issues through regular maintenance and component inspections can significantly enhance the power delivery and overall performance of the Ford Mustang.

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