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Author Topic: Huge increase in fuel consumption. Possible causes?  (Read 2850 times)

Offline sanj

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Re: Huge increase in fuel consumption. Possible causes?
« Reply #15 on: November 26, 2013, 08:43:58 pm »
Quote from: zayd on November 26, 2013, 07:37:17 pm
I've got a DSG and I get about 210 miles out of a full tank.  According to my calculations, my MPG is around 18.5 with just town driving.  My car was recently serviced, with literally everything changed.

Bloody hell,T thought my MK6 dsg 'R' was bad at 22mpg around town but it does'nt seem bad compared to that.I got 33mpg on a 20 mile motorway run the other day as well! :jumping:
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Offline doylebros

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Re: Huge increase in fuel consumption. Possible causes?
« Reply #16 on: November 26, 2013, 08:55:37 pm »
Does it move freely when the handbrake is released - brake calipers are favourite for binding - simple check, common problem!
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Offline Marc-5-GTI

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Re: Huge increase in fuel consumption. Possible causes?
« Reply #17 on: November 26, 2013, 10:21:25 pm »
Sorry to hijack the thread, but on the subject of weather... Could it make the turbo whistle a bit cause of the colder denser air? My turbo has started a whistle over the last few days whilst it's been cold outside... I never noticed it in summer and this us my first winter with the car.
I've got no loss of power just this strange induction type whistling just before the DSG changes gear....  :scared:
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Offline Scottymon

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Re: Huge increase in fuel consumption. Possible causes?
« Reply #18 on: November 26, 2013, 10:26:23 pm »
Mine has too mate, I thought it was whining a bit under load...
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Offline Craigh1983

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Re: Huge increase in fuel consumption. Possible causes?
« Reply #19 on: November 27, 2013, 01:38:42 pm »
Quote from: Scottymon on November 26, 2013, 07:27:23 pm
Quote from: Craigh1983 on November 26, 2013, 02:23:40 pm
Could be. But it was still down a lot even when the weather was a lot warmer.

What condition are your spark plugs in mate? 
How about the cam follower?
Also, are you using decent fuel? Tesco 99 / Optimax
Any error codes?

Not too sure about spark plug condition but car runs great. They are due to be changed next service. Just had a service done and can follower was fine as only had that changed 6 month ago.

I also use tesco 99 fuel at the min.
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