Had to bleed my injectors today (see my other "parts" post), and afterwards noticed that a couple of the injectors are "bubbling" between the body nut and the injector. Is this normal, or am I loosing some compression? with the ridge between the injector and nut full of fuel I can watch the bubbles form, so it's not a massive leak, but it doesn't seem "right".

Can the nut be tightened, or do I need to reseal the injectors?

 

sometimes you can try to tighten it and it will work if not you have to take it out and reseal it