![Carbon/Oil in Engine Bay (Ford Fiesta 1.4 TDCI). Does anybody know what might cause this? I'm thinking maybe EGR valve? This carbon dirt can be seen under the air filter box where Carbon/Oil in Engine Bay (Ford Fiesta 1.4 TDCI). Does anybody know what might cause this? I'm thinking maybe EGR valve? This carbon dirt can be seen under the air filter box where](https://preview.redd.it/bnyucsw99mj61.jpg?width=3456&format=pjpg&auto=webp&s=3f45c63e30ebc93bc6c898c28ab92b457e38a5da)
Carbon/Oil in Engine Bay (Ford Fiesta 1.4 TDCI). Does anybody know what might cause this? I'm thinking maybe EGR valve? This carbon dirt can be seen under the air filter box where
![Service kit for Ford Fiesta Mk6 1.4 TDCi - oil filter, air filter, fuel filter, Millers Oils Trident Professional ECO 5w30 engine oil. - FoS Autoparts Service kit for Ford Fiesta Mk6 1.4 TDCi - oil filter, air filter, fuel filter, Millers Oils Trident Professional ECO 5w30 engine oil. - FoS Autoparts](https://shop.fosautoparts.co.uk/user/products/1457429238-1457433076-0450906460-005696s-80585l.jpg)
Service kit for Ford Fiesta Mk6 1.4 TDCi - oil filter, air filter, fuel filter, Millers Oils Trident Professional ECO 5w30 engine oil. - FoS Autoparts
![Ford Fiesta New Original 1.4 TDCI Diesel Engine Oil Test Strips 1331073 2004 - 2012 : Amazon.de: Automotive Ford Fiesta New Original 1.4 TDCI Diesel Engine Oil Test Strips 1331073 2004 - 2012 : Amazon.de: Automotive](https://m.media-amazon.com/images/I/31KymUbClQL._AC_UF350,350_QL50_.jpg)
Ford Fiesta New Original 1.4 TDCI Diesel Engine Oil Test Strips 1331073 2004 - 2012 : Amazon.de: Automotive
![ALTECH Hi-Performance Air Filter + Oil Filter Set For Ford Fiesta 1.4 TDCi (1st Gen Diesel Model) : Amazon.in: Car & Motorbike ALTECH Hi-Performance Air Filter + Oil Filter Set For Ford Fiesta 1.4 TDCi (1st Gen Diesel Model) : Amazon.in: Car & Motorbike](https://m.media-amazon.com/images/I/91gCY6DQ-AL.jpg)
ALTECH Hi-Performance Air Filter + Oil Filter Set For Ford Fiesta 1.4 TDCi (1st Gen Diesel Model) : Amazon.in: Car & Motorbike
![ALTECH Hi-Performance Oil Filter For Ford Fiesta 1.4 TDCi (1st Gen Diesel Model) : Amazon.in: Car & Motorbike ALTECH Hi-Performance Oil Filter For Ford Fiesta 1.4 TDCi (1st Gen Diesel Model) : Amazon.in: Car & Motorbike](https://m.media-amazon.com/images/I/81CA3mXVNmL.jpg)
ALTECH Hi-Performance Oil Filter For Ford Fiesta 1.4 TDCi (1st Gen Diesel Model) : Amazon.in: Car & Motorbike
![Ford Figo Fiesta Fusion Focus Engine Oil Change | TDCi 1.4 | Oil Filter Change | Daily Hands - YouTube Ford Figo Fiesta Fusion Focus Engine Oil Change | TDCi 1.4 | Oil Filter Change | Daily Hands - YouTube](https://i.ytimg.com/vi/g9dai2FZXf4/maxresdefault.jpg)