What difference has it made?

It's driving much smoother & quicker. None of the hesitation that was there previously

Which sensor was it that you replaced? Location etc? Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
New Defender D300 90
1974 Series 3 Lightweight = "Millie"
My preferred specialist: www.glenrands.co.uk
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The DPF sensor. It's near the passenger footwell underneath.

kenneally_mark wrote:

So in my simple learnings from fitting this sensor:

1. Buy genuine - I have no intention of fitting another one again or wasting money on doing it twice
2. Make sure you have two clips to replace the ones that feed into the sensor - see attached photo where I've circled it
3. I was wondering how to reset the DPF readings, after DrRob suggested checking the Workshop Manual I found this explanation on how to reset it: NOTE: If a new diesel particulate filter pressure sensor or hose lines have been installed or incorrectly routed, or any pressure sensor circuit repairs carried out, the engine control module must learn and store the new diesel particulate filter pressure sensor offset value. The following conditions must be met to allow the diesel particulate filter pressure sensor offset value to be learnt and stored: Using the manufacturer approved diagnostic system, clear DTCs from engine control module, then monitor the datalogger signal 'sump oil temperature - measured' ensuring a minimum of 50 degrees C is achieved. Start engine, run above 500rpm for 2 minutes, then a further 30 seconds at idle. Ensure the engine cooling fan is not running. Set vehicle in park and set ignition status to off. Wait 30 seconds for the engine control module to power down, learn and store diesel particulate filter pressure sensor offset value. This process must be carried out six times, to allow a large negative offset value to adapt back to 0 Hpa

* Caveat - I'm not a mechanic and nor do I claim to know too much. I'm operating on learnings & advice from this forum etc

Does changing the sensor make a difference: YES!

Model variants other than the original AA version have different base voltages so throw the readings out completely. In the world of Ford they are interchangeable but for our car they aren’t.