Member Since: 12 Jan 2009
Location: East Yorkshire
Posts: 105
Reduction in MPG
Hey everyone,
I'm 2 years into D3 ownership now and loving it. Aside from having EGR's blanked last year and a faulty intercooler hose (very helpfully diagnosed by 10forCash and Pete at BAS), the old girl has been running like a dream.
My only niggle is that over the last 6 months it seems to have taken a dive in the MPG department. Before the EGR blanks by Pete, I used to get about 26/27 and afterwards it picked up to around 30mpg on my average tank of fuel - superb! But recently it's slipped back down to around 26. It's due a service next month and I'm just wondering if there's anything else that can be done (besides from having a lighter right foot). It's an auto and I've heard a gearbox flush can help? It's a 54 plate with 60k miles and I assume that's never been done.
Any help/advice/opinions greatly received!
Regards,
Rich.
17th Sep 2010 9:48 am
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72788
Brakes partly binding can do that, one of mine's in the dealer for that at the mo. Check for one wheel hotter than the others after a run.
17th Sep 2010 9:56 am
rich_959
Member Since: 12 Jan 2009
Location: East Yorkshire
Posts: 105
Cheers DSL, I'll check for wheel heat. I did knock it into neutral the other day and let it roll to a stop, just to see if I could feel any resistance in general (other than it's weight!) and it seemed to role pretty smoothly to a stop but I didn't think to check the wheel temps. It will be due some discs and pads soon, so it's a definite possibility.
Cheers,
Rich.
17th Sep 2010 10:26 am
Robbie
Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932
By the time my service is due my I have lost about ~ 1.3 mpg. With a clean air filter it is back to normal.
17th Sep 2010 6:06 pm
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72788
Yep air filter is another possible. LR think our air quality is good enough to change every 45k/3yrs. Change mine every year or 15k.
17th Sep 2010 6:20 pm
jamieg7762
Member Since: 05 Mar 2010
Location: Warwickshire
Posts: 1232
I lost 10mpg on Wednesday this week, this picked up on Thursday as I lost 8mpg.
Normally get 30-32mpg on my way too & from work. However on Wednesday I drove the same but only got 21mpg, then on Thursday I got 24mpg.
Took the subaru today as it cost me £70 to do 210miles (2 days of comute) in the Disco, normally £70 will last 3.5 days.
Need a service, am booked in on the 30 sept, may need to fetch it forward. Hopefully that will resolve the issue.
17th Sep 2010 8:31 pm
devonchilliman
Member Since: 03 Nov 2008
Location: Devon
Posts: 5224
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