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Author Topic: M.P.G.  (Read 4679 times)

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SilverSurfer

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M.P.G.
« on: 11 February 2010, 15:29:21 »
Anyone have any idea why i'm only averaging around 15mpg when i'm driving the car really easy and not revving at all hardly. I had an m3 that was better on petrol than this and various other cars including a 5.5 litre AMG merc??
The car is running fine can't find any fault, just really really poor mpg. Yesterday I put in £20 i've done 65 miles and the petrol light is blinking, now thats not just thirsty it's insane for a 2.5 litre.  :o :'(
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JamesV6CDX

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Re: M.P.G.
« Reply #1 on: 11 February 2010, 15:32:39 »
Is it getting up to temp?

Valve timing correct?

Ignition system in good order?

Brakes Binding?

Leak?
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Sad

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Re: M.P.G.
« Reply #2 on: 11 February 2010, 15:33:19 »
I could get 36 to the gallon out of my old 3.0...
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SilverSurfer

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Re: M.P.G.
« Reply #3 on: 11 February 2010, 16:31:21 »
Quote
Is it getting up to temp?

Valve timing correct?

Ignition system in good order?

Brakes Binding?

Leak?
No leaks, brakes ok, dunno about valve timing, dunno about ignition sys, temp seems ok i mean the car seems fine to me although i'm no expert so that's not to say there ain't a problem but it really does seem ok apart from the MPG
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JamesV6CDX

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Re: M.P.G.
« Reply #4 on: 11 February 2010, 16:34:13 »
Where are you located?
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cleggy

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Re: M.P.G.
« Reply #5 on: 11 February 2010, 17:01:40 »
Just got back from Dudley, and on the round trip in all types of traffic conditions mine just averaged 27 mpg, and it has just been fully serviced. Normally I only get 18, but I only do a couple of very short return trips a day of around 5 miles each.
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hoofing it

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Re: M.P.G.
« Reply #6 on: 11 February 2010, 17:26:24 »
Quote
Quote
Is it getting up to temp?

Valve timing correct?

Ignition system in good order?

Brakes Binding?

Leak?
No leaks, brakes ok, dunno about valve timing, dunno about ignition sys, temp seems ok i mean the car seems fine to me although i'm no expert so that's not to say there ain't a problem but it really does seem ok apart from the MPG
whens the last time air/fuel filter were changed
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SilverSurfer

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Re: M.P.G.
« Reply #7 on: 11 February 2010, 18:08:15 »
As for the servicing i think it was about 6k ago
« Last Edit: 11 February 2010, 18:10:35 by AMG »
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SilverSurfer

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Re: M.P.G.
« Reply #8 on: 11 February 2010, 18:09:42 »
Quote
Where are you located?
I'm in Ireland at the moment
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tunnie

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Re: M.P.G.
« Reply #9 on: 11 February 2010, 18:10:01 »
Quote
I could get 36 to the gallon out of my old 3.0...

Do you not touch the pedal on the right then?  :o  ;D
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waspy

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Re: M.P.G.
« Reply #10 on: 11 February 2010, 18:20:50 »
Quote
Quote
I could get 36 to the gallon out of my old 3.0...

Do you not touch the pedal on the right then?  :o  ;D

I got around the same outa the 2.6 on 160 mile trip, doing 80 with the cruise on :y Mixture of A roads & motorway
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tunnie

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Re: M.P.G.
« Reply #11 on: 11 February 2010, 18:24:36 »
Quote
Quote
Quote
I could get 36 to the gallon out of my old 3.0...

Do you not touch the pedal on the right then?  :o  ;D

I got around the same outa the 2.6 on 160 mile trip, doing 80 with the cruise on :y Mixture of A roads & motorway

I would expect to see that on a 2.6, on my work commute (A43/M40/M4) its 95% motorway, and i struggle to get 27mpg with cruise set at 80mph on the 3.0
« Last Edit: 11 February 2010, 18:25:41 by tunnie »
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SilverSurfer

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Re: M.P.G.
« Reply #12 on: 11 February 2010, 18:26:52 »
So does around 15mpg sound right for one of these around town then?
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waspy

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Re: M.P.G.
« Reply #13 on: 11 February 2010, 18:30:21 »
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So does around 15mpg sound right for one of these around town then?

Is it an Auto?
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SilverSurfer

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Re: M.P.G.
« Reply #14 on: 11 February 2010, 18:31:08 »
Quote
Quote
So does around 15mpg sound right for one of these around town then?

Is it an Auto?
Yeah
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