Check engine Light came, code is p2098. What is it?

Could be fuel related check for bad injector or vacuum leak

Take it to a qualified repair shop .

Read about the fual code at the link. P2098 Post Catalyst Fuel Trim System Too Lean Bank 2

If you mean P2098 read on, Po 2098 is not a vaild code, all codes for OBD2 have one letter (P, B, etc.) and four numbers 0-9.
P2098 VOLKSWAGEN - Post Catalyst Fuel Trim System Too Lean Bank 2
Possible causes- Low fuel pressure
- Engine misfire
- Large vacuum leak
- Blocked converter
- Faulty O2 sensor bank 2

Read more: http://engine-codes.com/p2098_volkswagen.html#ixzz2BxcAojuy

check for vacuum leaks or a faulty mass air flow sensor. all the codes have to do with engine too lean(too much air).

look for exhaust leak- either gasket near enigne or a rotted pipe in front of cat, or worse case a catalytic converter going bad/rotten

p2098 is a VACUUM deficiency.

P2098 = Post Catalyst Fuel Trim System Too Lean Bank 2

There is a software update for the PCM that addresses this issue. TSB 18-028-06