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SLK 200 R171 rough idle

Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by bobster1, Nov 13, 2012.

  1. bobster1

    bobster1 Active Member

    Messages:
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    0
    Joined:
    Jun 15, 2010
    Location:
    Motherwell, Scotland
    Your Mercedes:
    SLK200 - 2005 -R171
    Hi,
    had poor performance with car over last week, rough idle poor fuel cons. I took MAF off today and sprayed with MAF Cleaner. performance is better not sluggish now but idle is still rough. Could the MAF be faulty, is there a test for this. and if faulty are the cheaper ones on ebay any good.

    I would be greatful for some help thanks,
     
  2. jibcl500

    jibcl500 Senior Member

    Messages:
    6,420
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    6
    Joined:
    Oct 22, 2005
    Location:
    Cambridgeshire
    Your Mercedes:
    CL500,ML55,SLK280
    Star diagnostics is the only way to go to find out whats wrong, search or someone will suggest a MB specialist near you.

    jib
     
  3. Steve@Avantgarde

    Steve@Avantgarde Forum Supporter Authorised Forum Supporter

    Messages:
    6,808
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    Joined:
    Dec 8, 2009
    Location:
    Bristol/Somerset
    Your Mercedes:
    C220CDI AMG Line Premium, SLR McLaren Roadster, SL55 & C32AMG
    200K engine with rough idle all points to either split air hose under the air box or stretched timing chain but as has been said, STAR diagnosis test needed first.
     

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