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1.9 TDI Poor MPG

anilkumar Jul 17, 2010

  1. anilkumar

    anilkumar Member

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    hi

    i have A3 1.9 TDI 130 has 94K on the clock is doing about 120 miles on 17 liters arond town thats about 30MPG had an oil and filter change this seems quite low is my MAF sensor faulty what else can cause MPG to be low the performace is fine it is a bit smokey
    [​IMG]
     
  2. jojo

    jojo Looking for Boost! Staff Member Moderator Team Daytona Audi S3 quattro Audi A6 Audi Avant Owner Group

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    Definitely sounds like a problem, my Passat Estate TDI 115 does around 40mpg all day long, and it's a heavier car.
     
  3. anilkumar

    anilkumar Member

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    what do you think the problem is could it be the maf sensor
     
  4. Nilz

    Nilz Defo worth the wait :) Team Ibis TFSI Owners Group quattro Audi A4 S-line owners group saloon Manual

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    Anil

    If you can disconnect it and drive around with it, see if it makes a difference, if it doesnt then its not that.

    See if you can get the car on VAGCOM, that will bring up any faults if there are any.
     
  5. sportstractor

    sportstractor Chugger

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    :think:

    if there only short town journeys, alot of driving from cold thats about right.
     
  6. Matt82

    Matt82 Active Member

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    right. check your egr is not sticking open and then check for boost leaks. those two absolutely destroy mpg on the pd lumps
     
  7. ruairi83

    ruairi83 Well-Known Member Team Sepang quattro Audi A4 Black Edition

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    MAF ,air filter and fuel filter might need changed also mate. had same problem and MAF and fuel filter Sorted it on my TDI
     
  8. anilkumar

    anilkumar Member

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    i have got a vag com scan done came up with fuel temp sender and temp sensor power seems to be a bit flat some times might clean the EGR as its done 95 K

    thanks for the help
     
  9. anilkumar

    anilkumar Member

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    had a new maf due to car bieng down on power also cleaned the egr its was full of **** im going to change the fuel filter as its done more than 10k miles
     

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