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Major improvements after cleaning mass airflow sensor

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by yossi, May 13, 2022.

  1. yossi

    yossi Junior Member

    Joined:
    Apr 23, 2021
    61
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    Location:
    USA
    Vehicle:
    2008 Prius
    Model:
    N/A
    My 2008 with 196k has been having lots of engine issues. Rough idle, very noisy acceleration, 38mpg and 2-3 seconds of heavy shuttering when the ICE shuts off at a light. No lights on the dash, air filter is new so I decided to clean the MAF. Took ten minutes using a YouTube tutorial and all symptoms are gone. Plus my MPG is now up to 42-43 over the last 100 miles since cleaning it. Next week I’m gonna clean the throttle bottle to see if it will improve things even more
     
    SFO and bisco like this.
  2. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
    107,571
    48,862
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    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    well done!(y)
     
    yossi likes this.