Question

2008 Audi A4 Quattro 2.0L with engine code P2187, what is the best repair?

Answer 1

HI there

This code means the system is to lean at idle on bank1

This can be the result of intake manifold leaks, the first O2 sensor on bank 1, A bad mass air flow sensor, fuel injector issue can cause it as well.

Answer 2

P2187 AUDI - System Too Lean At Idle Bank 1
Read more: https://www.autocodes.com/p2187_audi.html