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it's usually caused by carbon on the inside of the throttle body just remove air inlet and spray with carb clean

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∙ 17y ago
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∙ 6mo ago

Rough acceleration in a 2001 Chevy Impala could be caused by issues with the fuel system, such as a clogged fuel filter or dirty fuel injectors. It could also be due to a problem with the ignition system, such as faulty spark plugs or a malfunctioning ignition coil. Additionally, a dirty air filter or a vacuum leak could also result in rough acceleration.

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∙ 16y ago

Because your catalytic converter is clogged, and must be replaced! $$$$$

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Q: What causes rough acceleration on a 2001 Chevy impala?
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