Good evening,
Was the chain just replaced?
If it was not, then there is a reason for the timing to jump. Most likely you will need to replace both chains, the guides and the tensioners.
https://www.2carpros.com/articles/how-a-timing-belt-works
How far off is the timing?
I attached the diagram of the chains for you. Which gear moved and how much did it move?
I also attached a YouTube video of the timing chain replacement. The engine is out of the car but shows the procedures for replacing the chains.
https://www.youtube.com/watch?v=eS9Yd477AyQ
Roy
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Friday, September 25th, 2020 AT 3:10 PM