I've noticed a similar issue on my 2006 diesel 2.5 auto Sorento mk1. When braking the vacuum assistance seems to last for around 2 seconds, then it runs out of vacuum and the pedal becomes much harder. The car still stops, but seemingly without further vacuum assistance. I'll start by checking that; a. Uobičajeni problemi u radu sistema Start & Stop (ISG). Problem je što se sistem polako pokreće ili uopšte ne radi. U slučaju dizel motora, problemi mogu biti uzrokovani i slabo regenerisanim DPF filterom. Postoji probleme sa efektom treptanja prednjih farova. Problem je češći kod AUTO podešavanja farova. Problem može biti kratak spoj. Just wondering if you got to the bottom of your issue as I have an identical problem with 2015 kia ceed crdi 1.4. The garage has changed the diesel filter but still the same. Takes about 5 seconds to start or sometimes starts on second attempt. Im Zuge der Wartung bei 90.000 km ist das Ventilspiel zu überprüfen. Dies wurde bei dem entsprechenden Fahrzeug durchgeführt. Dafür müssen die Nockenwellen r After 15k my diesel 1.6 sportywagon is now suffering from poor starting from cold. It's fine when starting warm so presume that one or more glows plugs have given up. I have booked in at main dealer for looking at but cannot do untill 24th May when a cutsey car will be available. Not a quick fix by any stretch of the imagination! I have a Kia ceed 2007 1.6 diesel which has done around 118000 miles. I decided to change the fuel filter because of white smoke on cold start. Made a mistake of not doing any research before replacing the filter. Cheap oils will clog the rings and cause exsessive oil burning. we took the gamble with one of our cars and ran it with oil additive, this can cause problems as it can block a oil way if engine is very carboned up. but did work after a few oil changes and no longer uses loads of oil, and engine breathes as it should. Answered by Honest John. Every diesel from January 2011 has a DPF and most from the years before that also do. Repeated short runs from cold starts, especially in winter, are bad for a DPF. But so far only heard of one problem with them in KIA/Hyundai 1.6CRDIs. Tags: buying a used car dpf technical issues. .

kia ceed diesel starting problems