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旧 Nov 26th, 2012, 09:19     #1
bluebox
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默认 2006 Impala 读码0641

车型: 2006 Impala, LT 3.5, 192000公里.

现象: 启动后, 或开出几公里, 踩油门不加速, alarm响, 出“Engine Power Reduced”和“Traction Control Service”的错误提示. 其它刹车和转向均正常, 停车后熄火, 再启动正常.

其它异常: 加速时有顿错感, 有时一蹿一蹿的.

读码: 0641, 解释如下:
The control module has 2 internal 5-volt reference buses called "5-volt reference 1" and"5-volt reference 2". Each reference bus provided 5-volt reference circuit for more than one sensor. Therefore, a fault condition on one 5-volt reference circuit will affect the other 5-volt reference circuits connected to the reference bus. The control module monitors the voltage on the 5-volt reference buses.

去车行检查, 老板以前没见过这样的情况, 基本上也是在网上找, 还有就是凭以前的经验试.

各位大侠和同党, 哪位有过类似经验, 请给说说. 谢谢.
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旧 Nov 26th, 2012, 12:13     #2
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默认

多谢二位. 好象这个问题不是很常见, 网上看到不多.
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旧 Nov 27th, 2012, 08:22     #3
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默认

昨天这个现象又发生了一次, 到车行读码, 是2135. 这个code下大多数是throttle body的问题, 晚上在AutoParts上订了件, 等到了换上之后再来报告.
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旧 Nov 27th, 2012, 10:07     #4
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默认

引用:
作者: 有门! 查看帖子
反正不贵换起来简单,但问题不一定就是TPS,可能还会与先前问题相关。
谢谢有门, 你说的有道理.

这次读码0641没有出现, 其对应的描述也不太符合. 而2135与发生的现象相吻合, 而且与网上大量的complaint一致, 所以只能从可能性最大的做起. 如果不行再查accelerator pedal sensor和电脑.
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旧 Dec 3rd, 2012, 14:42     #5
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默认

Update一下.

决定换throttle body后就开始找, 在本地新的要300~400, 即使是auto wrecker的也要至少$100一个, RockAuto新的$135, 加运费和税$181, 没说的, 下单.

星期五收到, 到车行装上, 前后半个小时, 完了老板问能不能给50, 我当时就乐了, 50就50, 还能不能. 以前出了状况来检查或读码, 从来不收钱, 人家的时间也是钱呐.

换了新的throttle body后, 开起来顺畅多了, 顿错感完全消失, 油门好象也比以前灵敏和轻松. 相信就是这个问题, 230能搞定我已经很满意了. 我不是DIYer, 换油都去车行, 但喜欢瞎看跟自己车有关的东西, 包括西人的论坛, 基本上心里就有数了, 这样一来就能尽可能少或避免花冤枉钱.
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