Eratic Idle in Park 89 Volvo 760T

Discussion in 'Volvo 760' started by wouter2, Oct 20, 2004.

  1. wouter2

    wouter2 Guest

    Vehicle idles eractically in park from 900K to 15K back and forth all the
    time. With Aux Air Valve house pinched idle ok.

    What's the problem?
     
    wouter2, Oct 20, 2004
    #1
  2. wouter2

    Peter K L Milnes Guest

    I would suggest that the inlet tract (including Idle Air Control Valve ) is
    in need of a thorough clean up. VOC recommend task is done every two years
    to keep system on the ball.

    Cheers, Peter.
     
    Peter K L Milnes, Oct 21, 2004
    #2
  3. wouter2

    wouter2 Guest

    I replaced the tract and value with a new one. Same problem.

    Any other suggestions
     
    wouter2, Oct 22, 2004
    #3
  4. wouter2

    Peter K L Milnes Guest

    Do you mean that you replaced all the inlet tract from filter to manifold?
    The idea is just to clean it thoroughly. This includes the MAF, throttle
    body, throttle stop microswitch and Idle Air Control Valve along with all
    the hosing and electrical connectors. It is a good idea to ensure that the
    PCV system is also clean and clear.

    Cheers, Peter.
     
    Peter K L Milnes, Oct 22, 2004
    #4
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