haudi
New Member
Posts: 2
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Post by haudi on Nov 28, 2021 6:21:06 GMT
Hi folks! This is my first post here! I had come across a check engine light on my car and a month or so back and my temp gauge would act unpredictably and so I finally decided to invest in an OBDeleven.
It picked up fault code: P255600 - static
Today I replaced the coolant temp sensor and It did not seem to have fixed the issue and check engine keeps coming back on. Any help would be greatly appreciated!
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Post by DaanA4 on Nov 28, 2021 7:27:09 GMT
You replaced the temp sensor? But the fault code is de coolant level sensor.
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haudi
New Member
Posts: 2
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Post by haudi on Nov 28, 2021 10:53:35 GMT
Yes. I think I see where my problem is now 🤣 I misunderstood on my research when looking for which sensors to replace. But would the coolant level sensor greatly affect the engines temp from raising and fluctuating frantically at times?
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Post by dv52 (Australia) on Nov 28, 2021 21:07:54 GMT
haudi: In a true sense, engine temperature really can't "fluctuate frantically" because of the thermal mass of the engine and therefore because the thermal time-constant stops sudden movements in temperature. My guess is that "engine temperature" (as distinct to coolant temperature) on an A3 is a calculated variable and it's not a long stretch in logic for coolant level to be implicated in the algorithm (I think). In any event, as per DaanA4 , I suggest that you replace the water level sensor (it's called G120) and see if this addresses your concerns Don
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