I'd say dump it as soon as you can. It will never be worth more than it is today. (We can say that about most cars, but when this one tanks, it's nearly fucking useless, as opposed to the everlasting but worn out gas or diesel engine car).
My TAT trip will hopefully bring more attention to the need for more Cancer Research! Please go to http://www.gofundme.com/bxkt74 and check it out! No money goes to me or family, all to cancer research! Please donate at the location!!! Thanks!