i have a citroen synergie h,d,i and i changed the fuel filter today when put back on the car runs fine but when switched off it runs on for about 6 seconds and the fault light on the dash is on
i have had a code reader on and its coming back as po230 but was fine until i changed the filter thx kev
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Changing the filter element, not the complete filter housing as a unit, is always risky on these; absolute cleanliness is crucial.
Some muck has reached the high-pressure pump and is sticking the regulator.
Consider replacing the pump, the filter housing and the pipe between the two.
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