14/04/2026
2013 Ford Kuga 2.0TDCI with around 120.8k on the clock.
The owner of this one got in contact after having DPF related faults come up and also engine management lights illuminating and engine malfunction messages on the dash.
After a quick diagnosis I found that the DPF soot accumulation had gone over the maximum level for a regeneration to take place and also fault codes relating to the specific conditions for DPF efficient DPF regenerations to take place not being met.
So to erase these faults the DPF needs to be cleaned and DPF data reset and then taken on a test drive to monitor the specific conditions that need to be met when regeneration takes place.
DPF pressure was sitting around:
14.3Mbar at idle
122.5Mbar at 3000rpm
Using the Launch UK DPF cleaning system and Fluid I cleaned and flushed the DPF to drop the DPF pressure and make it safe to reset the DPF data.
After the DPF cleaning the pressures dropped to:
3.9Mbar at idle
44.7Mbar at 3000rpm
After reseting the DPF data we took the car for a drive in order to diagnose what the incorrect condition was for regeneration to take place.
On the drive the DPF did try to regenerate but the exhaust temperature only reached around 540degrees max so short of the 600+ degrees needed for an efficient regeneration to burn the soot off.
A fault was logged for the exhaust temperature being too low for DPF regeneration.
This fault is linked to the Fuel Vaporiser which is an injector and glowplug unit found upstream of the DPF which is used to increase exhaust temperatures for regenerations.
The owner will be getting the Vaporiser replaced ASAP to prevent any blockage in the DPF.
Preventative maintenance is the key to a long lasting efficient engine.👌🏽
Petrol or Diesel I clean them all!
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