Question

I'm getting the codes P2180, P2188, and P2190 on my 2006 Mercedes Benz C230 Sport 2.5L V6

Answer 1

P2180 System too rich at off idle

P2188 Sytem too rich at idle

P2190 System too rich at idle

You may have a vacuum leak that causing this condition,When a vacuum leak occurs it decreases vacuum ,The MAP sesnor then increase injector pulse width,Go to the intake manifold tubing and inspect for vacuum tubing sealing, or rupture at the vacuum tubes.

Answer 2

P2180 MERCEDES-BENZ - System Too Rich Off Idle Bank 2
Read more: https://www.autocodes.com/p2180_mercedes-benz.html

P2188 MERCEDES-BENZ - System Too Rich At Idle Bank 1
Read more: https://www.autocodes.com/p2188_mercedes-benz.html

P2190 MERCEDES-BENZ - System Too Rich At Idle Bank 2
Read more: https://www.autocodes.com/p2190_mercedes-benz.html