Engine coolant temperature sensor

来源: clark 于 2010-04-06 19:29:22 [] [旧帖] [给我悄悄话] 阅读数 : (336 bytes)

I got a check-engine light on 96 Audi A6. It is Engine coolant temperature sensor error code. I measure the voltage of the sensor. It is 3.6V when engine is cold (~20C) and drop to 1.45V when the engine is hot(radiator fan starts running). Can I say the sensor is bad? What is the right voltage at cold and hot? Thanks in advance. _(&)

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• 就是一个热敏电阻，一般不会坏 -追风大老虎- ♀ 给 追风大老虎 发送悄悄话 追风大老虎 的博客首页 (31 bytes) () 04/06/2010 postreply 19:40:10

• go to Audi owner forum for the answer -fixanycars- ♀ 给 fixanycars 发送悄悄话 fixanycars 的博客首页 (0 bytes) () 04/06/2010 postreply 19:51:45

• warm engine the voltage should be less than 1 Volt, -fixanycars- ♀ 给 fixanycars 发送悄悄话 fixanycars 的博客首页 (0 bytes) () 04/06/2010 postreply 19:53:22

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