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Thread: 2006 Xli gets first throttle body cleaning after 170k.

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    Default 2006 Xli gets first throttle body cleaning after 170k.

    We have driven Xli 06 model upto 170k with all regular maintenance except the throttle body. The car never developed any issue. My mechanic would never open the throttle body despite my asking him so many times. The car recently developed a problem, it would drop RPM on idling and I would have to give a throttle to it continuously. Took it to mechanic and this time he opened the throttle body without even me asking for it. It was filled with A LOT of grime. It was cleaned and now the car runs smoothly.
    I wish I had get the throttle body cleaned after every change of plugs.

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    the cars i mentioned here just had regular oil and filter changes and valve clearances done else nothing was replaced except usual spark plugs belts and water pumps, twice on suzuki g13b and once on toyota 1zzfe. engines ran nice hot and toasty. at operating temps and oil was usually changed at 5k kms.
    Your ego is writing cheques, your body can't cash.

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    Quote Originally Posted by civic_90 View Post
    The oil grade needs to be increased while the mileage cross 100k. How can you still use that much thin oil.
    i use 0W40 in mercedes benz E55 AMG having around 260k kms, its nothing about using thick oils. the toyota 1zzfe still uses 5w30 from day one
    Your ego is writing cheques, your body can't cash.

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    Quote Originally Posted by ahmedraja1996 View Post
    i use 0W40 in mercedes benz E55 AMG having around 260k kms, its nothing about using thick oils. the toyota 1zzfe still uses 5w30 from day one
    The construction material or mercedes and suzuki is way much different from one another. So there must be no comparison.
    For Mechanical Works and Car Detailing, Contact 0333-3738698

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    Quote Originally Posted by ZainMahdi View Post
    It's not even that high a mileage; my '04 Cultus with 320k km on the clock has never had an engine rebuilt; it just had its seals and valve guides replaced recently. Still going strong.
    cng was installed or not?

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    [QUOTE=ab6666;5034839]
    Quote Originally Posted by ZainMahdi View Post

    cng is installed or not?
    It was FF CNG; the kit was uninstalled a few months ago.
    _ 22 km/l from '03 VTi automatic, with plenty of room for improvement
    _ How to hypermile: http://www.cleanmpg.com/community/index.php?threads/1510/

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    Quote Originally Posted by civic_90 View Post
    The construction material or mercedes and suzuki is way much different from one another. So there must be no comparison.
    Ok, how about my 300k km Civic? It gets Shell HX-7 5w-30. Only reduces a cup of oil every 6k km.
    _ 22 km/l from '03 VTi automatic, with plenty of room for improvement
    _ How to hypermile: http://www.cleanmpg.com/community/index.php?threads/1510/

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    [QUOTE=ZainMahdi;5034857]
    Quote Originally Posted by ab6666 View Post
    It was FF CNG; the kit was uninstalled a few months ago.
    it ran 300k kms on cng without rebuilt.. 😯😯

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    [QUOTE=ab6666;5034899]
    Quote Originally Posted by ZainMahdi View Post

    it ran 300k kms on cng without rebuilt.. 
    It was regularly run on petrol even when CNG was installed. CNG was mainly used for city driving and motorway trips. This car was mainly used on GT Road across three provinces all its life.
    _ 22 km/l from '03 VTi automatic, with plenty of room for improvement
    _ How to hypermile: http://www.cleanmpg.com/community/index.php?threads/1510/

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    Quote Originally Posted by civic_90 View Post
    The construction material or mercedes and suzuki is way much different from one another. So there must be no comparison.
    construction material? engine working principle is same. its all about how you maintain it.
    Your ego is writing cheques, your body can't cash.

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    Quote Originally Posted by civic_90 View Post
    The oil grade needs to be increased while the mileage cross 100k. How can you still use that much thin oil.
    Why does the oil grade needs to be increased exactly? Because the clearances become tighter? I have a 170K+ kms 1SZ-FE running in 5W-30. It has never reduced the oil. And it is the only recommended oil by Toyota.
    And I change the oil after 8K+ kms which takes around a year for me. Still no side effects yet.

    On the other hand my friend changes oil after every 2000 KM in his Mehru, no reason whatsoever.

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    I regularly see quite a lot of corollas with 1zz-fe engine - with more than 200,000 miles on the odo (above 320,000 kms) and their throttle bodies never required being touched at all - so much so that their intake manifold gaskets would shrink and cause air leaks due to age, but their throttles are perfectly good - work smooth and perfect.

    All cars using regular cheapo 5w30 API SN and cheapo oil filter changed every 3000~5000 miles.

    Most manufacturers actually prohibit cleanign the throttle, some coat the blade with teflon (ford, mitsubishi etc) some have teflon bearings in the throttle axle. Dunking it in petrol or forcing petrol into it will cause problems.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    My car gas clocked 145k km model 98 still the throttle body is intacted with no issue

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    Quote Originally Posted by asad1 View Post
    My car gas clocked 145k km model 98 still the throttle body is intacted with no issue

    But if you ll clean it. U ll see much difference in performanceand fuel consumption.
    For Mechanical Works and Car Detailing, Contact 0333-3738698

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    I have never opened it though I have cleaned it with carburetor cleaner several times

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    Quote Originally Posted by Xulfiqar View Post
    I regularly see quite a lot of corollas with 1zz-fe engine - with more than 200,000 miles on the odo (above 320,000 kms) and their throttle bodies never required being touched at all - so much so that their intake manifold gaskets would shrink and cause air leaks due to age, but their throttles are perfectly good - work smooth and perfect.

    All cars using regular cheapo 5w30 API SN and cheapo oil filter changed every 3000~5000 miles.

    Most manufacturers actually prohibit cleanign the throttle, some coat the blade with teflon (ford, mitsubishi etc) some have teflon bearings in the throttle axle. Dunking it in petrol or forcing petrol into it will cause problems.
    1zzfe is very khota engine. after being driven around 400k kms we did compression test to see whats the situation inside and it was really astonishing, cyl1: 170 cyl2: 180 cyl3: 180 cyl4: 170 same goes for a similar 1.8l nissan qg18 it also wears very slowly
    Your ego is writing cheques, your body can't cash.

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    Quote Originally Posted by asad1 View Post
    I have never opened it though I have cleaned it with carburetor cleaner several times
    Yeah thats the point. The carb cleaner doesnt go well inside the IAC valve shaft. That is where most of the carbon deposits are present.
    For Mechanical Works and Car Detailing, Contact 0333-3738698

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    Quote Originally Posted by ahmedraja1996 View Post
    1zzfe is very khota engine. after being driven around 400k kms we did compression test to see whats the situation inside and it was really astonishing, cyl1: 170 cyl2: 180 cyl3: 180 cyl4: 170 same goes for a similar 1.8l nissan qg18 it also wears very slowly
    yes - the 1ZZ-FE wears like a blacksmiths anvil.
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    Quote Originally Posted by Xulfiqar View Post
    yes - the 1ZZ-FE wears like a blacksmiths anvil.
    any reason for this wear rate??

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    I have had three experiences with throttle body cleaning. Two of them with my rollas and both were 2nz fe. Got the throttle opened of my 2008 xli at 80k km and that too after toyotas mechanic insisting me to get it done, trust me i found mininum deposits of carbon which didnt need a cleaning at all i reckon. 2nd time , it was my 2012 xli @ 55k km and yet again after mechanics persistent 'this is a must' sugestion i had to give in . The results were same with minimum to none carbon deposits . .
    Both of the times i had no problem with idling , my rpms were stable but Toyotas mechanics lurred me up pretty nicely into this TB cleaning gimmick i would say. They open up throttles at 20k and charge alot from every customer, infact its a money extracting tool i reckon
    Cars driven on CNG had a different story and thats what gave birth to ths TB service culture

    Sent from my SM-N910G using Tapatalk

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    Quote Originally Posted by Xulfiqar View Post
    yes - the 1ZZ-FE wears like a blacksmiths anvil.
    Even after being undersquare engine

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