De-accelleration lurching ... if that's the word!

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Have noticed after driving to Helston & back a couple days ago - 320 each way, that when car de-accelerates with foot off the gas pedal the engine momentarily for a split second every 5-10 seconds tries or forces fuel into engine which is noticed by rev counter needle momentarily jumping, and car lurching a bit as its automatic.

First noticed this happening a couple month's back & put it down to a high mileage diesel that hasn't had its fuel filters changed for some time as indy said these items were rather expensive to buy and fit, so to wait until wagon starts to jump around for a bit, but could these fuel line filters be anything to do with it?

Or hopefully, someone may know exactly what I'm talking about.

 

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UPDATE - PROBLEM NOW RECTIFIED.

Rear radius arms have sensors fitted and once these were changed last week or so, problem now only a nuisance memory!
Dealer quoted £500 perside to replace arms entirely, but indie just got both new sensors only and managed to smash off old ones at £50 a side - result!

The 3 ABS warnings were down to a bent tracking rod arm that put steering wheel out of alignment with gauges and once replaced this has also irradicated problem.

SO the 3 ABS warning messages were NOT anything to do with the MAF / HALL SENSOR or the TORQUE sensor, or even the fuel filters.

Car now runs superbly again.