Hello, have a vehicle here Bj 2010, Diesel 55 KW, 1753 ccm, which lights again and again the engine control light and then has power loss. Motor restarted, it usually goes a few kilometers well then again the same. Error code read out: P0489 ($07e8) – Exhaust Gas Recirculation Control Circuit A Low I have previously determined a strongly oily hose from the LDK, cleaned it and bolted it again. Cracks or so I have not been able to detect. However, the hose is now n The oil measuring rod has a bit over-edge oil, but I don’t think there should have been too much refilling. Another error code has not found itself in the system. Does anyone have an approach how to proceed? Change hose, since there may be a small crack in it? Leave some engine oil from the workshop?