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Honda Civic R18 Rough Idle

Discussion in 'General Automotive' started by Bren, Jul 3, 2018.

  1. Jul 3, 2018 at 1:06 PM
    #1
    Bren

    #1
    Bren [OP] Well-Known Member

    Joined:
    Nov 16, 2013
    Member:
    #116709
    Messages:
    269
    Gender:
    Male
    CT
    Vehicle:
    01 Tacoma SR5 V6
    My 2006 Honda Civic w/ 1.8l engine has a rough idle. I replaced the passenger motor mount and spark plugs, but no luck. When warm it idles around 550-600 rpm and will dip down to 500 or even lower. It feels like it is about to stall, but goes back up to 550-600, like a hiccup. I checked the air filter and it was clean. I'm going to clean the MAF sensor tomorrow. The old spark plugs were a little dark. Just noticed valve cover is leaking too. Car was sitting for a few months. No check engine light.
     
    Bren, Jul 3, 2018
    #1
  2. Jul 11, 2018 at 11:51 AM
    #2
    Bren

    #2
    Bren [OP] Well-Known Member

    Joined:
    Nov 16, 2013
    Member:
    #116709
    Messages:
    269
    Gender:
    Male
    CT
    Vehicle:
    01 Tacoma SR5 V6
    UPDATE: I replaced the PCV valve and it is running normal now.
     
    Bren, Jul 11, 2018
    #2

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