Engine noise while accelerating on gas 15-30mph?

Discussion in 'Prime Care, Maintenance and Troubleshooting' started by Mrd9940, Oct 2, 2025 at 5:44 PM.

Tags:
  1. Mrd9940

    Mrd9940 New Member

    Joined:
    Yesterday
    1
    0
    0
    Location:
    Santa Rosa, CA
    Vehicle:
    2020 Prius Prime
    Model:
    XLE
    I have a 2020 prius prime plug in with 52,000 miles. When driving on gas up hill between 15-30 mph there is a rattrling engine noise that appears intermittently. Takes a while to hear the nouse but only happens going up hill on gas. Toyota mechanic could not detect the problem. Does not occur on speeds above 35mph.
     
    #1 Mrd9940, Oct 2, 2025 at 5:44 PM
  2. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
    113,318
    51,557
    0
    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    is the car new to you, or did the noise start recently?

    maybe some sheet metal vibrating against the exhaust manifold/cat/tailpipe?
     
    #2 bisco, Oct 3, 2025 at 3:30 PM
(You must log in or sign up to post here.)