Low fuel pressure

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Thread: Low fuel pressure

  1. #1
    Saab Newbie
    Join Date
    Aug 2016
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    United Kingdom
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    5

    Low fuel pressure

    Limited performance low fuel pressure have read posts on here but nobody has said what the cause was please help needed

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  3. #2
    Saab Afficionado
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    Dec 2003
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    Peterborough,Cambs,UK
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    Re: Low fuel pressure

    And the car is? Enough fuel? Fuel pump OK? Fuel filter blocked?

  4. #3

    Re: Low fuel pressure

    Hello Vallan 2 as CJAPETERBROUGH says if you can put as much information as possible
    (I'e engine type petrol or diesel, power , year , mileage ,model ,gearbox type , symptoms, codes if they have been read ,what you have done so far ) the more info the better the reply you will get .
    MSD REGISTER 26101 NOCTURNO-BLAU-MET

  5. #4
    Saab Newbie
    Join Date
    Aug 2016
    Location
    United Kingdom
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    5
    1.9 tid 09 convertible
    Goes in limited performance can go a week then come on two or three times in one day then not come on again for a few days been into Saab dealers had got 3 faults
    1 was 2 broken wires
    2 glow plugs
    3 low fuel pressure
    They repaired the wires had new glow plugs and new fuel filter had it back limited performance came back on took it back in 1 fault low fuel pressure so changed sensor on the fuel rail had it back next day limited performance took it to a diesel specialist left it there to investigate rang them Friday they have changed the regulator valve on the high pressure pump rang they took it for test drive limited performance back on they are now scratching there heads saying could be electrical or fuel pressure pump but have read on here that people have had the high pressure pump changed and limited performance still came on but they never said what it was in the end

  6. #5
    Saab Afficionado
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    Dec 2003
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    Peterborough,Cambs,UK
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    Re: Low fuel pressure

    Hmmm sounds a bit familiar......maybe.
    But we really need some error codes preferably Tech2 or Opcom.

    https://www.saabscene.com/forum/threads/249506-2008-saab-93-tid-limp-problems


  7. #6
    Saab Newbie
    Join Date
    Aug 2016
    Location
    United Kingdom
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    Has been on tec2 a few times but was only told it was low fuel pressure don’t know what they are using at the diesel specialist just know there’s gives them live data but they only said that it was spiking which they thought it was the relay on the high pressure pump he said that the high pressure pump are usually bomb proof on these it has only done 83000 miles and drives great till limited performance comes on they are saying it is the worst fault as intermittent

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