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      06-04-2018, 12:40 PM   #17
carbonM
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Drives: 2011 E70 50iMt, 2011 e82 135i
Join Date: Nov 2017
Location: Texas

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Quote:
Originally Posted by cbakking View Post
My coolant expansion tank finally gave away, pool of coolant around driver side front wheel, with carbonM's direction I was able to replace it with ease... but now I've gotten CEL? started with warning message "Please tighten the gas cap" while I was driving so pulled over double checked the gas cap and it was fine and continue to dive then CEL came up along with warning message "Please tighten the gas cap".....
Now I wonder it could simple as old gas cap - easy fix- but wonder if coolant leak somehow damaged EVAP valve? any help would be appreciated!
Could be a bad gas cap. Did you check for damaged vacuum lines near the coolant tank? How long have you been driving it since you checked the cap tightness? I know it can take some driving before the code will clear on its own.
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