Good morning everyone, I kindly ask if anyone has had any problems with Mini Countryman Cooper D N47 C20 A of 2014, 82kw ...check engine light on after about 20km or after pulling the car a bit from autel diagnosis fault 4862 Air system, air flow vs mass flow AGR plausibility
Not present
and 4949 Preheating control unit, backdiagnostics.

we replaced the agr-valve and 4 glow plugs, but the warning light comes back on after travelling the usual route