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Thread: Disco D2 TD5 Diesel Fuel economy

  1. #91
    Join Date
    Jan 1970
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    Trip over, back home in Vic now.
    Update on economy.
    We did have an iPad disaster (using that to keep records), but we only lost one set of figures.

    To update the car
    Stock Td5 on 18" road pattern Tyres. Auto trans
    Engine has a lot of K's (358,000+ now), has had head done around 100,000 ago.
    Genuine nudge bar, driving lights.
    Loaded for two people for 10 days.
    All driving done at the posted speed limits.

    Melbourne - Adelaide - 10.54 L/100 km
    Adelaide - Port Augusta. - 9.45 L/100 km (easy day just cruising)
    Port Augusta - Coober Pedy (& drive around there for the day) 10.37 L/100 km
    Coober Pedy - Erldunda. 11.07 L/100 km (headwind & speed up once in NT)
    Erldunda - Erldunda - 10.58 L/100 km (Doing the touristy thing over a couple of days)
    Erldunda - Coober Pedy - 10.83 L/100 km (See downhill comment previously)
    Coober Pedy - Port Augusta - iPad disaster.
    Port Augusta - Millicent via the Coorong - 10.42 L/100 km
    Haven't filled since home but looking at tank level to km covered it will be mid 10's as well.

    Have to note that the speed makes a huge difference.
    To read into my results.
    Mostly around 100 to 110 km/hr gives mid to high 10's
    Keep it to 100 gives low to mid 10's
    Tootling around drops it into the 9's
    Over 110 gets into the 11 range

    Very happy with my TD5

  2. #92
    NWTASD2 Guest
    Thanks Naviguesser.

    Hope you enjoyed your time away.

    Also the great comprihensive post.

    I'm grateful you have taken the time to share your figures with us.

    Sorry to hear about the I-PAD.

    I am unable to get my vehicle to do near your figures.

    But I too love my TD5.

    Cheers

  3. #93
    Join Date
    Apr 2008
    Location
    Brisbane,some of the time.
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    My D2a did the following.
    Around town,11 to 12l/100
    On a run at 100k's,9.5 to 10.5l/100
    On a run at around 90k's,stuck behind traffic,etc,9 to 10l/100
    All the above lightly loaded,two people,nothing on roof.

    Heavily loaded,say a 4 week camping trip,nothing on roof,it didn't seem to use a lot more,maybe around .5l/100 more,at the most.

    I once got 8.6l/100 on a long run stuck behind grey nomads pulling caravans.Average speed would have been around 80 to 85k's.In these type of conditions,i always try to keep in 4th locked up.
    It seemed to use a lot of fuel going slow,with lots of stop start type of stuff on the farm,often around 15l/100 or more.

    Generally i recon the D2 is pretty good on fuel.The D4 i have now is worse,generally
    around 1 to 2 l/100 worse,at least,in the same conditions.A bit of a PITA,as it has a smaller tank than the D2.

  4. #94
    Join Date
    May 2003
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    On The Road
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    The 3's and 4's do weigh a bit more--
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!


    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]

  5. #95
    Join Date
    Feb 2009
    Location
    Newborough, VIC
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    Quote Originally Posted by NWTASD2 View Post
    Thanks Naviguesser.
    ......
    I am unable to get my vehicle to do near your figures.
    ......
    Cheers
    I wouldn't have thought NW Tasmania would be the most economical part of Australia to drive around.
    Then again I've never been to that part of Tassie.
    Hope to get there soon.
    2002 D2 4.6L V8 Auto SLS+2" ACE CDL Truetrac(F) Nanocom(V8 only)

  6. #96
    Join Date
    Apr 2008
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    Quote Originally Posted by Pedro_The_Swift View Post
    The 3's and 4's do weigh a bit more--
    True,but i still recon if the D2 is loaded to the same weight as an empty D4,the D2 would use less fuel.

    Same as 300TDi D1,would use less fuel than the TD5 D2,if loaded to same weight.

    So the trend seems to be they are getting more powerful,comfortable,etc,but also use more fuel.Even though engine technology has improved.But then again emission rules are getting tougher.

    The 3l D4 may use slightly less in real use than the 2.7l,but i don't know.

    The new 8 speed auto,and also if the newer models shed some weight,fuel usage should hopefully drop.

  7. #97
    Join Date
    Feb 2011
    Location
    Brunswick, Victoria
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    The early road tests indicated the Td5 had better consumption figures than the Tdi. A test of the Td5 auto published in October 1998 by Autocar found the Td5 did 3mpg better overall and 6mpg better on the test touring route.

    For the record the Autorcar figures were:
    Worst: 17.9mpg - 15.8L/100km
    Best: 31.4mpg - 9L/100km
    Touring: 31.4mpg - 9L/100km
    Average: 26.6mpg - 10.6L/100km

  8. #98
    Join Date
    Oct 2010
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    Caloundra
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    Quote Originally Posted by Pinelli View Post
    Notice the fuel consupmtion going up on the auto TD5.
    Was getting around 13L/100km.
    Changed the MAF.
    Today it was <11.5L/100km

    Should pay for itself in about 4 months.
    Hmm, have noticed fuel consumption going up again recently, and having ruled out leaks and other issues, have decided it may well be the MAF. Was trying to remember when I last changed the MAF, and Mr Google found my post above.

    Just over 2 years, is that as long as they last??????

  9. #99
    Join Date
    Dec 2012
    Location
    Mount Isa Qld
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    Exclamation

    Quote Originally Posted by Dutchy65 View Post
    bugger - my 2001 TD5 gets about 8.5 l/100km...and has done for the last 10 years ! and p.s. it has no mods - all stock standard ! Ditch the mods - ditch the wanna-be mechanic advice and stick with a real mechanic that knows the car.
    Mate how do you work out the consumption? There is a certain way to get an accurate measure which I have caught a few posted info are wrongly calculated. Is a very surprise for me that you get 8.5l/100km, most new 4x4 truck with better technology achieved that result in recent years.

  10. #100
    Join Date
    Dec 2012
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    Mount Isa Qld
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    Quote Originally Posted by ZippoParis View Post
    (Fuel Block) I've checked and rechecked the Workshop Manual and I can't find anything to do with a Fuel Block...What is it? Where is it?

    Cheers.
    Either change the whole new block or just change the diaphragm. Much cheaper than the whole block plus EU2 & EU3 are different again.

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