Don't know what vehicle you are talking about but with most vehicles if the timing chain jumped you won't get out of your driveway. With the timing cover off, most chains and gears have marks stamped into them that should line up when the number 1 piston is at Top Dead Center.
If the timing chain has jumped time, the vehicle will run rough or not at all. You will need to check the time with a timing light to see if it is off.
It will become noisy and you will hear it. Also you may experience poor performance if the chain has jumped a tooth.
It will be noisy or may have jumped time. The only sure way is to remove the cover and inspect it.
If the timing chain or belt jumped time one tooth or notch it would lose most of it's power. If it jumped two teeth or notches it wouldn't have the power to move at all.
You will know if your car has jumped timing by the way it starts up. If the engine is slow and sluggish, it could be a sign of jumped timing. Also listen out for strange noises coming from the engine or if it backfires, it is likely that there has been a change in the timing sequence.
Sounds like the timing is out of adjustment, perhaps timing chain has jumped
You use a timing light to check the marks on the timing chain/belt.
That engine uses a timing chain. Chances are very slim that the chain jumped time. However if it did jump time the engine would not run and the engine would have no compression. Tell us what the symptoms are.
Unless a timing chain is making a noise or has jumped a tooth, they need not be replaced. Timing belts need changing according to the specs spelled out in the owner's manual.
Check your timing. Is it possible your timing chain has jumped a tooth?
Perhaps timing chain has jumped
Your question is too vague usually when someone says that their engine has jumped time that means that the timing chain has jumped on the timing sprockets. If that is the case you would need to change them. If the distributor is out of time to do it right you would need to have a timing light. You would need a repair manual for the specifications to fix both of them.