Sluggish Acceleration and MPG Reduction

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by EllenS2011, Apr 17, 2026 at 12:30 PM.

  1. EllenS2011

    EllenS2011 New Member

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    Location:
    Ohio
    Vehicle:
    2015 Prius
    Model:
    N/A
    I drive a 2015 Prius with about 125k miles on it. Oil is replaced every 5k miles, spark plugs/inverter coolant/transmission fluid/all air filters replaced 11 months ago. I've seen online that possible solutions may be EGR cleaning/replacement, battery fan cleaning, and/or battery replacement. Any other ideas or thoughts?
     
    #1 EllenS2011, Apr 17, 2026 at 12:30 PM
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