YOU SAID:

I hope I'm too sick to sell my car

INTO JAPANESE

病気で車を売れないといいのですが

BACK INTO ENGLISH

I hope I don't have to sell my car because of my illness.

INTO JAPANESE

病気のせいで車を売らなくて済むといいのですが。

BACK INTO ENGLISH

I hope I don't have to sell my car because of my illness.