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Thread: 2.2 direct.is there no end to fuel pumps & pressure regulators.

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    Default 2.2 direct.is there no end to fuel pumps & pressure regulators.

    Now had a replacement H.P Fuel Pump & Two Fuel Pressure Regulators and still having problems with engine stutter and fault code P1191,the last pressure regulator being changed on a recall from Vauxhall.Previous items changed at my own expense because they offered no help.
    What do i do next?

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    when does it stutter? at high speed? or cold start?

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    Regular Member kenp's Avatar
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    Vehicle : Vectra C


    Engine : 2.2 Direct

    Year : 2004

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    Have you ever changed the sensor? since thats a 3 thing besides HP pump and regulator.

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    The stutter seems to be generally at high speed after the engine has been running for a while.Only the H.P Fuel Pump a Fuel Pressure Regulator have been changed.Last Fuel Pressure Regulator fitted 4 weeks ago has a white dot on it.
    What sensor are you referring to ?

    Thanks.

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