I have a 1994 honda civic cx with a b18b engine. Last weekend on my way from Rochester to Rhode Islands, my fifth gear popped out. This happened in Albany(half way there), three hours into driving, so I decided to turn back home .

Right now everytime I shift into fifth gear they keep popping out. Sometime it stays in for like five seconds and sometime longer.

Is there a way to fix it? or is it worth it? Any advices would be appreciated. Thanks in advance!!!!