Tried to start it today, it started for 1 second and died. Didnt start after that. Tried to start it for 1 second with start spray, didnt help. It started but died. Could not find any fault codes with my hand held universal OBD. There is a relay clicking every few minutes in the engine bay relay box after cranking. Dont know it thats normal or not. Posted November 24, 2014. In simple terms, soot is just partly burnt diesel, the DPF just heats up to fully burn these particles. Well that's the idea, in reality it doesn't work that well lol. When it blocks, it causes backpressure when can damage the turbo, but there are many causes of turbo failure on the 1.6 TDCi. .

ford focus 1.8 tdci not starting