Not so much problematic as that there couldn't be enough fuel within it for it to continually be leaking as it is...

[Frown down at it. He doesn't want to open it, either, because who knows what that would do...]

... While I appreciate the offer of a second pair of eyes, I don't think... you know enough about Cybertronian inner working for this to, ah... make sense? A heart and, er, this don't, exactly, perform the exact same functions.

[And Jetfire sounds apologetic, too, as he says it. But he's a bit dubious about handing the jar over.]