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If your SC400 is lagging when you accelerate, it could be due to several issues, such as a clogged fuel filter, a failing fuel pump, or a dirty air filter that restricts airflow. Additionally, problems with the ignition system, such as worn spark plugs or ignition coils, can also cause hesitation during acceleration. It's advisable to check the engine codes for any diagnostic trouble codes (DTCs) and inspect these components to diagnose the issue accurately. Regular maintenance can help prevent such performance problems.

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AnswerBot

1mo ago

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