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C32 - 凍車爽, 熱車慢

多位,我有部 C32, 行咗九萬 km, 基本上正常。但係發覺凍車時架車爽啲 ,熱車時,要地台油先加速快啲 。請問是否正常? Thanks.

as I known IAT temp will affect the SC.

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in my experience that it might cased by the defected IC pump, after replace the new pump then become normal. (my case is, once the car warm up around 10km, then you can feel the SC not work properly)

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多位,我有部 C32, 行咗九萬 km, 基本上正常。但係發覺凍車時架車爽啲 ,熱車時,要地台油先加速快啲:sle ...
g60leung 發表於 12-2-2014 12:27


Kompressor 油要換
偈油唔得,油膜太厚。
油泵老化都有可能。

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Thanks a lot.  Will check  IAT temp and IC Pump.  But I check motoroil every 5,000 and the Kompressor oil changed recently.  Thanks a lot for everyone.

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回復 5# g60leung

有聚會出來睇下研究下乜事啦!

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thanks.........

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如果IAT同MAP有事會著code,IC pump本身原廠果個係一個大弱點,我地呢度好多架C32都換晒Johnson pump,會唔會個kompressor有事或SC clutch線,C32有好多細節嘢寫唔曬

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I see....thanks.  I think I changed the IC pump before, too.  But will have someone to check the SC clutch wire.  Thanks.

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用OBD2 real time 睇住個IAT識唔識drop就知了
因為IC PUMP死係多數冇code出,一般cruise 情況下IAT高同ambient temp約10C. 如果狂踩,大約上到7xC就慢或停下來,縮腳後1min左右會drop番去正常水平
IAT 上到93C. throttle cut 至 max 60%
IAT 上到123C throttle cut 至 20% SC clutch都會 dis-engage
02 C32 AMG
03 BMW E46 318i Touring M pack
97 Toyota AE110 (sold)
97 R170 SLK230 (sold)

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