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Nosedive in mpg???
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caverD3
 


Member Since: 03 Jul 2006
Location: Oberon, NSW
Posts: 6922

Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

Jack wrote:
Had a similar drop myself, 23ish to 19 plus lots of black smoke. Just changed the air filter tonight having read a recent post suggesting that could be the cause, so heres hoping.


If not filtre, it could be a split turbo hose. Dealer has just had a lot failing all around the same VIN number.
 â€œThere are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games”
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System. 
 
Post #58093314th Jan 2010 12:21 am
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DaveVX
 


Member Since: 15 Oct 2008
Location: Hampshire
Posts: 867

United Kingdom 2012 Discovery 4 3.0 SDV6 GS Auto Fuji WhiteDiscovery 4

so air filter should be replaced at 45K

whats recommended here?
  
Post #58095714th Jan 2010 1:49 am
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NIDisco3
 


Member Since: 29 Apr 2005
Location: Derry City
Posts: 610

Ireland 2006 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

I have been having similar problems during this cold weather spell.. average MPG from the OBD was usually between 26-28mpg now it's struggling to get past 20 Shocked

Had it in with a local garage for MOT Prep and they commented that one of the brake calipers was sticking, hopefully it will improve again over the next few days Thumbs Up
  
Post #58116814th Jan 2010 1:05 pm
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Alan G
 


Member Since: 15 Oct 2008
Location: Lanarkshire
Posts: 1372

Scotland 2008 Discovery 3 TDV6 XS Auto Zermatt SilverDiscovery 3

Mines usually shows an average of 24-25 mpg running MT/Rs, but this past couple of weeks with the weather and short journies, it's been showing an average of 17.3 mpg (actually 13. 4 mpg).
 ATB

Alan


http://www.youtube.com/user/Bonzo676767#p/u 
 
Post #58135914th Jan 2010 4:38 pm
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