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Thread: Mark X Transmission problem, Experts Plz Guide

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    Default Mark X Transmission problem, Experts Plz Guide

    Assalaam O Alaikum,
    I have purchased a Mark X few weeks later, now I realise that my car is running on 4 gears only although it have 6 speed auto transmission, gears from 1 to 4 shifts normally,
    etc when I m very light on gas (picks it up very lightly) 2nd gear shifts @ speed of 10 km/h,
    3rd gear shifts @ speed of 20 km/h,
    4th gear shifts @ speed of 35 km/h,
    After that it stopped up gear shifting, it runs @60 km/h with 2000 rpm,
    @80 km/h with 3000 rpm,
    @100 km/h with 4000 rpm,
    And becomes very hard on gas, I mean it consume a lot of petrol.
    I have discussed this issue to many mechanics and experts, and done these few things
    1)changed transmission fluid with Toyota T-IV (it gone about 5 liters in the tranny)
    2) cleaned transmissions oil filter
    3) reset ECU many times,
    After resetting ECU it become a normal transmission and changing all 6 gears, but after couple of hours or a day only it again stuck in 4 gears,
    I reset ECU by pulling both battery terminals for some time, after reconnecting battery wires car start in first self but its rpm goes up and down for some time then set around 800 to 900rpm is that right way to reset ECU?
    Experts please guide me how to manage, I also contacted to Toyota showroom on Rashid minhas road I think it is Toyota western and asked them for reprogramming of ECU but thay said we don't deal in mark X, I don't want to go to local mechanics,
    Your help will ne highly appreciated.
    Thanks in advance.

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    Default

    Resetting ECU is fine, since the car takes a little while to reset and the RPM fluctuations are because it is re-mapping.

    Regardin transmission issues, I think you will need to check error codes through scanner. Sorry about not identifying an appropriate mechanic, someone will definately help you out.
    Quis custodiet ipsos custodes?

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    Default

    Experts will help .. m just wondering if u have tried putting the car in manual and try if gear 5 n 6 engage ..

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    Overdrive?
    Turbo lag is like foreplay. You know it's coming. And it's gonna be good.

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    time for xulfiqar bhai to guide us.

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    @snajeeb bhai, yes tried in manual gear or I think it is also called triptronic, but there it is aslo shifts up to 4 gears, when shifting 5th and 6th gears manually it shows on meter but not practically changed

    Sent from my HTC PH39100 using PW Forums mobile app

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    @faiz.Salam
    There is no Overdrive in mark x

    Sent from my HTC PH39100 using PW Forums mobile app

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    Aoa kjsiddi
    Sir you contact With Vicky
    he will guide you wel sir
    Ad.khan
    adeel.khan45@yahoo.com

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    you need to test the shift sequence on a test wiring box. In any case if you have a problem of this kind in this car you will see some error codes, which are only pulled from a toyota techstream or other deep level scanner.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    @xufiqar bhai,
    As I don't have any know how about car repairing I don't understand how to
    " test the shift sequence on a test wiring box "and where to do so, and also please guide me where to approach for Toyota techstream scanner,
    I will be very thankful to you Sir.

    Sent from my HTC PH39100 using PW Forums mobile app

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    @adeel.khan45,
    Bhai who is Vicky how to contact him ??

    Sent from my HTC PH39100 using PW Forums mobile app

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    Default

    what is your location.
    There is a guy in ISB who can definitely fix this issue.
    Ehtesham Bokhari
    https://www.facebook.com/sebokhari

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    @Spano,
    I live in Nort Nazimabad in Karachi

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    any plans to come to ISB ?
    Ehtesham Bokhari
    https://www.facebook.com/sebokhari

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    better goto any toyota 3S shop ask if they can help you give a diagnostic print out & an estimate for repair only post the error codes as xulfiqar saheb said and also check over internet your own findings. either some sensor / solenoid in transmission is malfunctioning

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    did u put T-IV toyota oil coz tht not for markx transmission....immediately drain these oil n put Toyota WS transmission oil as these r for 6 speed auto whereas T-IV ATF is mostly for 4 speed/5speed auto
    My lugnuts require more torque than your Vtec can put out...

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    @ uzeemujeeb,
    Can u recommend which one,
    I gone to Rashid minhas road I think it was Toyota western, but they refuse just saying that we don't deal in mark X.

    Sent from my HTC PH39100 using PW Forums mobile app

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    @salik990,
    I put Toyota T-IV because of unavailability of Toyota WS, now I will replace with WS asap
    IN SHA ALLAH.

    Sent from my HTC PH39100 using PW Forums mobile app

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    Brother I have kept Mark X twice, First of all change your transmission oil and put Toyota WS; If I remember correctly it consumes around 7 Litre and you have to change gears while pouring it for a complete fill should be done by an expert.

    Secondly this link Singapore Mark X Forum - Powered by Web Wiz Forums™ is very helpful, you just have to search it
    -

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    Quote Originally Posted by kjsiddi View Post
    @salik990,
    I put Toyota T-IV because of unavailability of Toyota WS, now I will replace with WS asap
    IN SHA ALLAH.

    Sent from my HTC PH39100 using PW Forums mobile app
    Toyota WS atf tranny oil is hard to find here....let us know after u replace ur tranny oil....btw do join mark-x club malaysia as theres many helpful topics about markx
    My lugnuts require more torque than your Vtec can put out...

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