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Diesel Octavia slight jerk on acceleration

  • 22-07-2019 9:14pm
    #1
    kifi
    Registered Users, Registered Users 2 Posts: 508 ✭✭✭


    2015 diesel Octavia, 70k on the clock. Just bought it and notice a slight judder when laying off accelerator and then pressing accelerator again in 5th gear, she jerks slightly.

    Any ideas of that might be wrong?


Comments

  • #2
    colm_mcm
    Registered Users, Registered Users 2 Posts: 73,520 ✭✭✭✭colm_mcm


    Flywheel? Does it clunk when you turn the engine off?


  • #3
    kifi
    Registered Users, Registered Users 2 Posts: 508 ✭✭✭kifi


    colm_mcm wrote: »
    Flywheel? Does it clunk when you turn the engine off?

    Haven't noticed that but will check in the morning.


  • #4
    kifi
    Registered Users, Registered Users 2 Posts: 508 ✭✭✭kifi


    colm_mcm wrote: »
    Flywheel? Does it clunk when you turn the engine off?

    No clunk


  • #5
    kifi
    Registered Users, Registered Users 2 Posts: 508 ✭✭✭kifi


    Any other thoughts ?


  • #6
    Odelay
    Registered Users, Registered Users 2 Posts: 3,919 ✭✭✭Odelay


    Possible fuel filter or fuel pump issue?


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  • #7
    Audioslaven
    Registered Users, Registered Users 2 Posts: 1,432 ✭✭✭Audioslaven


    EGR value may be dirty


  • #8
    orm0nd
    Registered Users, Registered Users 2 Posts: 4,275 ✭✭✭orm0nd


    kifi wrote: »
    Any other thoughts ?

    Would still think it's the flywheel, by nursing it i.e. dropping a gear b4 acceleration it could last for ages.


  • #9
    Bigus
    Registered Users, Registered Users 2 Posts: 4,946 ✭✭✭Bigus


    Could be something simple like a torn Engine /gearbox mount, you could check for excessive engine and gearbox movement by rocking the car back and forth, with the engine off but in gear and bonnet up , or by rocking the engine with a lever, or have somebody in the drivers seat putting strain on and off the running engine by using the clutch against the brakes ,to detect excessive or clunky movement in the mounts. (Stand beside the car , not in front of it in this case)


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