Citroen Berlingo juddering at about 1500 to 1700 and hunting when slowing down.

Car: Citroen Berlingo
Variant: 2.0hdi
Model Year: 2005
Categories: Running Rough, Starting & Power Loss
The problem is that the van has a judder at low revs when driving at low speeds also has a slight hunting when slowing down. Tried the EGR VALVE, MAP SENSOR,FUEL PRESSURE ASWELL. WOULD APPRECIATE any advice or a Fix Thankyou.
Posted: Mar 18, 2018 (6 years ago)
Try scanning it.
Posted Mar 18, 2018 (6 years ago)
Scaned it and put it on diagnostic systems no faults found and no lights on the dash either????????
Posted Mar 18, 2018 (6 years ago)
About the only system not really monitored on these is the fuel supply,
Though if your scanner can do it a graphic scan of the fuel rail pressure might show up a glitch when this happens.
When was the last time the fuel filter was renewed?
And were the seals on the same good?
Might be it's sucking air.
It wouldn't be the first one of these to have a faulty/leaking filter housing.
Do the live data graph on the pressure.
Posted Mar 18, 2018 (6 years ago)
I have changed the fuel filter and cleaned it all before putting the new one on. Im going to try live data and see what comes up. Hopefully something as its so frustrating.
Posted Mar 18, 2018 (6 years ago)
check vacuum circuit
Posted Mar 20, 2018 (6 years ago)

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