Payments on a 22 year old car is a mistake... a BIG one. Sadly, you know that now. If you shop around a bit you should be able to find another engine for anywhere from $300 to $800. If you do all the work yourself the expense won't be much higher including replacing the old cracked hoses here and there.... but if you're not mechanically inclined and you don't feel you can accomplish a straight swap then yes, you should put the car behind you.
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