Talk to the lender about this.
Yes, If you are trading in your car, or selling your car, to a car dealership they will payoff a leinholder in the process.
It sounds like the timing is set too high and needs to be lowered...
One way or another, the loan has to be paid off. If you trade the car in, you can get the payoff added to the amount financed on the new car.
It means that the suspension has been lowered and sometimes the engine has been turbo charged to give more power
More than likely the engine needs rebuilding.
It means your engine needs attention.
The engine needs fuel, compression and spark to run. You are missing one of those.
The engine needs fuel to run. The car needs you to run it.
because it needs to be checked by a mechanic to make sure it is working