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  1. I think the catalytic converter on my dad's prius could be causing sluggish acceleration if it's clogged

    Toyota Prius Technical - Q & A
    We are the original owners of our 2005 Prius. I don't know how many miles ago, the hybrid battery was replaced. The car now has 230k miles on it. Ever since then, our prius has had problems with sluggish acceleration. Looking at youtube, I think that the problem could be the catalytic converter...
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