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本帖最後由 Lik 於 2010-10-9 13:20 編輯
engine 燈著即係排氣有問題﹐唔代表個engine壞。 個engine 燈既存在只係for環保purpose。
大概得兩種code reader, 一種for係舊野OBDI(1995年前既車)﹐另一種係新野OBD2.
而加買到既reader 實read 到OBD2既車﹐而個code 係一樣既。
soli 發表於 2010-10-9 11:03

本來我睇到個 post 都費事出聲窒你架喇,但真係估唔到你可以低能成咁。

家吓嘅車咁多電子野,着 engine 燈你估淨係排氣可以有問題咩?由 intake 到 throttle body 到 engine oil 到 coolant 到 sensor 到 cat 到 exhaust,再數返去 fuel rail、coil pack、spark plug、到部腦同其他野,9000幾樣野都好以壞咗然後着 CEL。「個engine 燈既存在只係for環保purpose」都講得出,我真係 O晒嘴~

以福士同 Benz 來講,無錯佢係會出 ODB II 嘅 code,但係用原廠部 diagnostic 電腦來 check 嘅話就會話多好多野俾你聽。Toyota/Lexus 會唔會咁樣,我就唔知。

無知並不是罪﹐  真正的罪是以無知為榮。


回樓主阿哥:
知唔知道之前換咗果兩個 oxygen sensor 係唔係同一個 sensor 呢?因為如果無記錯嘅話,ODB II 嘅車通常最少會有兩個 oxygen sensor (pre cat 同 post cat),而你 V6 偈就好可能每邊排嘅氣缸都各自有自己嘅 catalytic converter。其實 8、9年個 oxygen sensor先死,我都唔會太奇怪,但始終如果無啦啦個 oxygen sensor 自己死嘅話,我估佢係表面 symptom 嘅機會始終高啲。

另一個可以諗諗嘅方法係換車。架車其實都成 10年,開始多野壞就預咗架喇。如果來緊頭預計得到仲會有多野煩嘅話,其實換新車亦未嘗唔係一個更簡單嘅方法。Trade in 嘅話,你架車大若會值 $7500 -- $10k 到。

-力

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我都廢鬼事逐樣駁你。車同人一樣,唔係邊間出廠同邊個人種就大Q晒,維修保養一樣咁重要,而且車齡越大,maintenance 做得勤唔勤、足唔足就相對地變得越來越重要。如果係親 Toyota 就無問題嘅話,咁 Toyota 廠啲大偈就個個唔使開飯,樓主架車一開始亦唔會出事啦~

白黐~

-力

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一開始就唔係個engine 有事。
soli 發表於 2010-10-9 18:24

咁我又請問你憑乜野咁肯定呢?就因為你又唔係 mechanic,又唔係 automotive engineer,定係因為你連呢句「check engine light只係for環保purpose」都講得出口?

汽車維修呢啲野,怪起上來有時連 certified mechanic 都唔搵唔到原因啦。但係我哋阿 Soli哥就唔同,一句「一開始就唔係個engine 有事」就搞掂~

-力

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你條白痴仔﹐如果個engine有事架車仲可以行得走得o甘耐?
個engine有事既話個車房佬做乜換黎換去都係D拾星野?
OBD 一向都係因為環保而設﹐CEL著左如果只係D sensor壞﹐唔整架車都繼續可以行得走得不過晒D油/馬力少D +過唔到air care. 叫你睇link又唔睇
soli 發表於 2010-10-10 08:53

呵呵呵~ 你要死口唔認嘅話,我都無謂同你調低能仔坳落去。但如果 OBD 只係如你話齋係用來搞環保野嘅話,咁點解叫做 on-board diagnostics,而唔係叫做 environmental friendly / green engine management 之類嘅野呢?以 Soli兄嘅「高見」,唔知 diagnostics 係咪解環保呢?

你係咁勁、咁能有料嘅話,又唔見你去幫樓主師兄 DIY 整好架車?

Re: OP
IMO, if you really to have the engine replaced, I'd much rather just trade the car in for something else. At most, your car is worth $10k to trade in, and $4k is just too big a chunk of money for repairs on a $10k car.

-Lik

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白痴力﹐我希望你最起碼知道oxygen sensor ﹐catalytic converter 又或者MAF sensor..etc係用黎做乜。
如果唔知﹐就上網google下﹐唔google既我都費事再徙力打字﹐你就繼續無知落去啦白痴力。
soli 發表於 2010-10-10 15:26

盲丙,OBD淨係講環保嘅話,你上面果句 quote 就唔會有 "The agencies wanted to ensure that new vehicles were running as cleanly and efficiently as they could. " 呢個字啦~ 你知唔知架車部腦同 OBD system 控制幾多野都係同架車嘅 performance 有關係架?

同埋唔好歧途去轉話題。你整車咁把炮,又唔見你過去幫師兄DIY來整返好部車?你有 OBD II reader 嘅話,我又唔見你 offer 去幫人地睇吓架車有咩事、throw 咗戈咩 code?

講就凶狠,做就碌能啦你~

感謝各位高見!
自問沒能力搞架車
唯有等車房開門再聽多幾個車房佬有乜講!!

trade in but car not fully  ...
車人 發表於 2010-10-10 15:55

Sounds to me like you've been taking the car to an independent shop for repairs. While generally that's what I would recommend as well, if the problem proves to particularly troublesome, a good alternative is to take the car back to the Lexus dealership to have them look into the problem. Compared to the independents, dealership mechanics tend to have a better network of diagnostic support to tackle particularly troublesome problems. On top of that, they service their brand of vehicles far more than most independent, all-make shops, so they might be better informed of common issues that arise in their vehicles.

Last but not least, a word of advice is that there is no such thing as 唔捨得 when it comes to cars. In many ways, the car is a tool that assist you on your many tasks in life. If you value it and the appreciate all the help and years of service that it has provided you, you treat it with care and respect and perform all the necessary scheduled and unscheduled maintenance that it requires. Then when the time comes where the car has outlived its usefulness or cease to make financial sense, you give it the proper send off it deserves, and you move on to your next vehicle.

-Lik

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What do you mean by 新型號? As in, will newer cars require an updated reader to read their codes?

Certain OBD II readers can be reflashed to get firmware upgrades, but they usually only pertain to the new / extra functions that the reader can perform. As far as reading codes goes, I am pretty sure manufacturers are required to conform to the OBD standards and protocols in relaying those signals. So until a new OBD III standard is ratified, any OBD II readers should be able to read codes off any OBD II cars.

(But as I was saying before, certain manufacturers add their own proprietary diagnostics stuff on top of the OBD II standard, and with those, you have to go along with the manufacturer-specific readers and updates.)

-Lik

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第二啲車我唔敢講,但福士嘅話就唔係原廠都無問題,因為已經有公司(好似係用 reverse engineering)搞掂晒成個電子 diagnostic:

http://www.ross-tech.com/products.html

Subaru 亦好似有類似嘅野,但我就唔太熟。

-Lik

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新偈又好,新車又好,係想對佢、對自己都好啲嘅話就用合成油(synthetic oil)啦。車頭又會行得順啲、好力啲、慳油啲,而機件損耗亦會少啲而變相令到副偈長命啲。

-力

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師兄大佬,

無話邊樣保養係重點唔重點啲㗎。要計嘅話,最重點自然就係要好似 spoonek4兄所講嘅(最少要) keep 住每4個月/8000km去換一次 engine oil。但咁唔代表其他 maintenance 唔重要。迫力油、波箱油、尾牙油、power steering fluid、engine coolant、火咀、各樣皮帶、CV boot cover、CV joint、氣隔、油隔、電池等等樣樣野到期嘅話其實都要換㗎啦?

人地話一養車就一闊三大真係唔係同你講笑㗎!但你對架車好之時,佢咪又對返你好咁囉。

-力

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