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Ford Focus Rough Idle Problem

  • 07-01-2011 12:21pm
    #1
    Spud5467
    Registered Users, Registered Users 2 Posts: 48 ✭


    Hopefully somebody has some ideas that can avoid me taking the car into see the Doctor.

    Ford Focus 1.6 zetec 2000. When you start her from cold she's grand. Idles around 900rpm and is as sweet as a nut. After a few miles when your changing gear, or stopping the revs can drop as low as 250rpm and quite often stall out. No problem starting up again.
    Driving and acceleration is great.

    Changed the oil and fuel filter yesterday. Minor improvements.

    Any help would be great. I'm gunna check normal things today, air filter, spark plugs, check for worn hoses. Thanks


Comments

  • #2
    Plug
    Registered Users, Registered Users 2 Posts: 9,248 ✭✭✭Plug


    Crankcase ventilation pipe maybe? Its a T peice pipe behind the inlet manifold.


  • #3
    Spud5467
    Registered Users, Registered Users 2 Posts: 48 ✭Spud5467


    Thought I should reply here as it may help somebody in the future.

    Problem was moisture on a sensor. The sensor is just after the air filter, on the air intake pipe. Hope that makes sense :) Just sprayed her with some water repellent ;)


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