I just got my engine rebuild put my engine light seems to pop up like in the moring when it's cold but then later during the day it goes away does anybody know whY??

 

Read the error codes from your ECU and you will likely find out. If you don't know how to do that, do a search of this forum for many threads that mention the procedure. It's a simple procedure and you don't need any tools, other than a piece of wire, to do that.

 

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