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Thread: Poor MPG

  1. #1
    Regular Member anthonychall's Avatar
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    Default Poor MPG

    Hello Guys!

    Haven't been around for a while and missed having a nosey at the forum everyday..

    I've got a 56 plate signum auto elite 1.9cdti an the mpg on it is ****** TERRIBLE!

    Im averaging 25 mpg on every 50 quid i put in so i'm only getting 250 to that. WHich is ****** poor! I dont always boot the car an sometimes just drive "normal".

    Anyone got any hints or tips or maybe an ANSWER why my MPG is so so low!

    I dont drive round with flat tyres and all that before this is given as a solution haha but its so poor, diesel is killing me I'm looking on using about 70/80 quid a week diesel!

    Thanksss

    Anthony

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    When was you're car last serviced, i would start with checking/changing air and fuel filter as these can have a big impact on mpg. Have you checked for air/boost leaks etc?

  3. #3
    Regular Member Dan_BlackSRi's Avatar
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    Vehicle : Vectra SRi

    Trim : XP1

    Engine : 1.9 CDTi 150

    Year : 2007

    Mileage : 66000

    Default

    Does the car drive ok, any loss of low down power etc..?

    What state is your inlet manifold in, any gunk collecting on top..?

  4. #4
    Ex Vec-C Admin Deztroyer's Avatar
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    wow - your in my territory on a 2.0t and thats what i get driving round town all day - but mines better than that when i cruise the motorways

    there must be an underlying issue

    0-Large smile ......every time it's driven

  5. #5
    Regular Member mark_647's Avatar
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    Definately something wrong there for a 1.9 CDTi !!

    Does the EGR not bring poor fuel economy once gunked up, might be worth cleaning that out too.

  6. #6
    Regular Member Penfold101's Avatar
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    Keep it simple first, as stated mate. Change the oil and all the filters, and see what happens. If it's still rubbish, then there could be any number of underlying issues, but you're right in that it should be around twice as economical as that...

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