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Thread: Improving Economy of Vitz 05

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    Default Improving Economy of Vitz 05

    I bought a Vitz 05 sometime before last Eid. The fuel consumption was extremely low, around 8kmpl local. Now it is 14kmpl local minimum and 17 kmpl on highway /motorway at speeds between 120 and 140. Max speed of the car 160 and at times it touches 170 on flat roads. Here is what I have done so far:

    1. Washed clean the throttle body with petrol. Sensor should be carefully washed.
    2. Cleaned plugs, another tricky job and not recommended without exact knowledge.
    3. Put genuine air cleaner.
    4. Replaced all three mufflers with local ones .. original are still with me. Now CAT is out.
    5. Cleaned EFI and oxygen sensors, care required.
    6. Put ZIC non-syth oil. I don't agree with using synth oil in 1000cc cars, specially used ones.

    Next on the list is to change plugs but out of budget for now. Overall the engine sound is excellent and pick is great. Used Hi-Octane in 1:3 ratio once but otherwise it behaves ok, so don't feel the need to continue wih the practise.

    Anyone needind help ... I'll be more than happy. Comments and querries are also welcome as I did a lot of research before doing any one job
    "You have not lived today until you have done something for someone who can never repay you."

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    ^^^
    Thanks for the info about oil. I was planning to put havoline too, but now I think i'll use zic synth.

    knocking improves a lot with mixing hi-octane but on the other hand it also will give higher burning temp in cylinders which is not a good thing and can cause serious engine damage if used too frequently.

    your navigation sys screen is a lcd screen and cd player can be turned into vcd player by some mod done by local car audio shops.
    "You have not lived today until you have done something for someone who can never repay you."

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    Here is the link to vitz owner manual, please note vitz and yaris are the same, vitz in pakistan is called yaris hatchback in western countries.

    http://www.ziddu.com/download/2940931/VitzOwnersManual.pdf.html (size : 5.8mb)

    I tried to upload the repair manual for body, chasis and elect but no luck as its size is 109mb in compressed format.
    "You have not lived today until you have done something for someone who can never repay you."

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    Finally the repair manual has also been loaded here is the link

    http://www.ziddu.com/download/2943568/VitzRepairManual.rar.html
    "You have not lived today until you have done something for someone who can never repay you."

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    @Naweed
    I need some time of yours. I got few issues with my 05 vitz which I need to discuss
    http://www.haseebawan.com

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    between these links are not working. Its saying file deleted !
    http://www.haseebawan.com

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    @Naveed
    Repair maual:
    The site given by you does not work. I found this one.

    http://www.etimago.com/yaris/repairmanual/

    As the manual is huge, here you could down load in parts, e.g Engine, brakes power steering separately.:d
    “Do or do not ? ? ? ? there is no try . . . no success”

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    Naweed
    Naweed bhai dont go for zic synth...
    just yesterday i have changed my engine oil to havoline for the first time and believe me that it's drive is completely changed.. and you can ask any mechanic but for vitz engine oil everyone recommend you to go for havoline oil..

    And please also tell me what is throttle body :^)??

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    @punk
    Your are welcome to discuss whatever the issue.
    my no is 03335109707 and email is given below.

    I am giving the login and password of account where i uploaded the file

    site : www.ziddu.com
    login : naweedanwar@hotmail.com
    password : 123456

    I opened this account for the purpose uploading these files only and there has been 1 download also with a credit of $0.001

    @sarsalans
    Thanks brother, I think synth oils have lesser viscousity than semi-synth or mineral oils. Overall synth oils have better cleaning agents and better lubricants. The combined effect is harmful to vehicles which have been using non-syth oils as cleaning remove slag from working parts and create more friction/play resulting in engine blow or increased noice with reduced life. Therefore synth oils are gen not recommended after 50km running. "IF SOME EXPERT could confirm this theory". When and where I read it i don't remember now
    "You have not lived today until you have done something for someone who can never repay you."

  10. #29
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    @To All

    Here is the site for all your Engine Oil questions.

    http://www.carbibles.com/engineoil_bible.html

    :d
    “Do or do not ? ? ? ? there is no try . . . no success”

  11. #30
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    @sarsalns
    Reply to your question regarding throttle body was pending as I was trying to look for its pics on the net. Throttle body is a simple unit with butterfly and sensor to control air, location is given on page 4 of engine control system on the site address given above by k2vitz for yaris manual. just remember sensor tips are very delicate and may malfunc if damaged.
    "You have not lived today until you have done something for someone who can never repay you."

  12. #31
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    thanks for advice vitz 2000
    yes my car is auto n cylincer is getind black not brown n smoke smells very bad except it plugs and filter is new
    wt should i do |-)

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    Generally, vitz automatic silencers are black. I have yet to see a white (brown) silencer. still it would be a hit and trial effort.

    1. cat removal strongly recommended
    2. clean throttle body
    3. clean O2 sensor fitted near cat
    4. Tyre pressure .... car wash
    5. Oil change
    6. Improved driving habits
    7. Even there is efi injector cleaning and adjustment but that is an experts job.
    8. fuel filter cleaning.

    Lastly and most important a prayer ... hope you'll get a good economy or else i certainly will be on top of your hit list
    .. lol
    "You have not lived today until you have done something for someone who can never repay you."

  14. #33
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    Boss plz upload cat removing pics of vitz 2005

  15. #34
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    dear naveed kinldy mail me manuals of vitz 2006
    rizwan-hameed@hotmail.com

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