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automatic not changing gears properly

  • 19-03-2010 11:52am
    #1
    fifib
    Registered Users, Registered Users 2 Posts: 1,463 ✭✭✭


    So i was driving to work this morning and the car seemed a bit sluggish and I dont think it was changing gears properly, if at all. At 1 point I was doing 70km/ph and the rev was pointing between 3 and 3.5 and the car sounded like it needed to change gears but just wasnt.
    I can change from automatic to manual/tiptronic with the gear stick and see what gear im in but when i did this all it displayed was the "D"

    In the end i was worried I was runing the gearbox so I pulled over and restarted the car and all seemed fine again.

    A few months ago I had electrical problems with the car and had to replace the BSI and ECU..cost me a fortune so Im worried now im running into more problems with these parts again.
    I know when the mechanic was installing the ECU he had to make adjustments so warning lights etc would show on the dash and he had to change the way the P, R , D showed on the dash too so I wonder when i try to switch to manual to see what gear im in but it remains at D is this a fault with the ECU?


Comments

  • #2
    corktina
    Closed Accounts Posts: 17,733 ✭✭✭✭corktina


    check and top up the fluid..i think you have to do it when its hot....if the fluid is black it needs changing...

    (disclaimer: Im not a mechanic...)


  • #3
    samhail
    Registered Users, Registered Users 2 Posts: 2,699 ✭✭✭samhail


    Might there be a "sports"-type mode in your car ? mate had a 318i and there was a seperate button somewhere if i recall correctly that would change the gears later


  • #4
    SouperComputer
    Registered Users, Registered Users 2 Posts: 6,949 ✭✭✭SouperComputer


    What car is this?

    Start with the basics like Corktina said. Check fluid level and condition. Theres a pletora of different reasons as to why its not shifting. Do the revs vary at all when you are crusing at a speed above 80KPH?
    I can change from automatic to manual/tiptronic with the gear stick and see what gear im in but when i did this all it displayed was the "D"

    This makes me suspect something electronic though.


  • #5
    Anan1
    Registered Users, Registered Users 2 Posts: 22,815 ✭✭✭✭Anan1


    Is it an Audi? In any case, i'd start with an ATF and filter change.


  • #6
    fifib
    Registered Users, Registered Users 2 Posts: 1,463 ✭✭✭fifib


    its a Citroen C3
    yes there is a sports mode in the car but its not on from what I can see
    Will get the fluid checked so and see does that make any difference


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