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Thread: Fuel rail sensors at each end?

  1. #1
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    Vehicle : saab 93 tid(150)

    Trim : sport

    Engine : 1.9 z19dth

    Year : 2005

    Mileage : 63000

    Default Fuel rail sensors at each end?

    Z19dth, i was reading an old thread by the wizard on a problem he solved at the time by removing the sensors at each end of the fuel rail and giving them a clean, i know the one on the right(closest to battery) is the pressure sensor but what is the one on the left of the rail? Would it be beneficial to give them both a clean or is it a case of if its not broke dont fix it, just curious cheers

  2. #2
    Regular Member Critch's Avatar
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    Vehicle : Mk1 renault scenic... I know I know but it drives

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    Engine : 1.6 16v

    Year : 2003

    Default

    If you don't have a problem don't go in their iIMO

    common rail runs on very fine tolerances an high pressures if you accidentally ingress any dirt you could have big problems.

    provided it runs ok builds and holds pressure just leave it be.

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    Default

    one is fuel pressure sensor and the other is fuel pressure regulator.

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    Vehicle : saab 93 tid(150)

    Trim : sport

    Engine : 1.9 z19dth

    Year : 2005

    Mileage : 63000

    Default

    Thanks for the info chaps. :-)

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    Vehicle : Golf 7

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    Quote Originally Posted by gaz51 View Post
    one is fuel pressure sensor and the other is fuel pressure regulator.
    Later CDTI's don't have the latter.

  6. #6
    Regular Member Caveman_nige's Avatar
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    Vehicle : Vectra and a Signum

    Trim : top of the line in both

    Engine : Z18XE,Z19DTH,Z20NET

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    Quote Originally Posted by GazXPE View Post
    Later CDTI's don't have the latter.
    anybody know why they don't have it? Mine is leaking derv through it into into the harness connector and it is causing misfires and rough running..

    Can this be fixed? I guess the later issue fuel rail cannot be retro fitted to a 56 plate Z19DTH?

  7. #7
    Regular Member the-wizard's Avatar
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    Vehicle : vectra-c

    Trim : sri

    Engine : cdti

    Year : 2004

    Mileage : 98,000

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    Quote Originally Posted by Richard.roberts View Post
    Z19dth, i was reading an old thread by the wizard on a problem he solved at the time by removing the sensors at each end of the fuel rail and giving them a clean, i know the one on the right(closest to battery) is the pressure sensor but what is the one on the left of the rail? Would it be beneficial to give them both a clean or is it a case of if its not broke dont fix it, just curious cheers
    Thats been a while back!, dont get here much with having the golf now aswell but keep having a read through now & again, vec stil going strong but still only got 85k on the clock so looks new!, hope you solved ur problem uve been searching so i guess you had one ?.

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