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Author Topic: MPG!  (Read 3404 times)

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Kate

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MPG!
« on: 12 February 2008, 19:25:52 »
Hi everyone.  I recently bought a 2.5 V6 estate and was wondering whether 18 mpg around town is normal?  I think my thermostat is faulty (running cold).  Do you think this would affect mpg?

Thanks a lot? :-*
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Darth Loo-knee

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Re: MPG!
« Reply #1 on: 12 February 2008, 19:29:33 »
Quote
Hi everyone.  I recently bought a 2.5 V6 estate and was wondering whether 18 mpg around town is normal?  I think my thermostat is faulty (running cold).  Do you think this would affect mpg?

Thanks a lot? :-*

I get around 21-22 knocking around with my 3.0 litre, think 2.5s are supposed to be better on fuel. Wouldn't have thought a thermostat would affect the mpg.. Air Pipes leaking can cause lower mpg, I would be looking at those first..
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Kate

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Re: MPG!
« Reply #2 on: 12 February 2008, 19:32:07 »
Where would the air pipes be?  Thanks but I'm a bit clueless. :-X
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khatton

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Re: MPG!
« Reply #3 on: 12 February 2008, 19:41:04 »
i have a 2.5v6 estate tourer i get about 24 to 27 round town a lot depends on how heavy footed you are
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Mike Collins

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Re: MPG!
« Reply #4 on: 12 February 2008, 19:57:52 »
Running very cold may affect many things, thermostat change needed.
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Darth Loo-knee

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Re: MPG!
« Reply #5 on: 12 February 2008, 20:00:37 »
This is a thread about the Air Pipes http://www.omegaowners.com/forum/YaBB.pl?num=1152565204

 :y

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Minispud

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Re: MPG!
« Reply #6 on: 12 February 2008, 20:10:57 »
Hi Kate, when did the car have it's last service  ::)
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tunnie

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Re: MPG!
« Reply #7 on: 12 February 2008, 20:50:50 »
on a light thrash back on my 9 mile commute, got my average to 24.1 mpg  ::)

was 25.2 when i left  ;D

3.0 Estate  :y
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TheBoy

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Re: MPG!
« Reply #8 on: 12 February 2008, 20:52:40 »
open stat will make mpg bad.
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Darth Loo-knee

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Re: MPG!
« Reply #9 on: 12 February 2008, 20:54:02 »
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open stat will make mpg bad.

Why is that then Jaime? :-?
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VXL V6

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Re: MPG!
« Reply #10 on: 12 February 2008, 20:56:38 »
Quote
Quote
open stat will make mpg bad.

Why is that then Jaime? :-?

Engine doesn't reach operating temp so ECU keeps the fuel enrichment (Choke in other words) program running because it thinks the engine is cold.
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Elite Pete

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Re: MPG!
« Reply #11 on: 12 February 2008, 20:56:57 »
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Quote
open stat will make mpg bad.

Why is that then Jaime? :-?
A cold running engine will run richer.
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Darth Loo-knee

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Re: MPG!
« Reply #12 on: 12 February 2008, 20:59:08 »
Oh right, learning all the time  :)
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Kate

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Re: MPG!
« Reply #13 on: 12 February 2008, 23:05:29 »
Thanks for all your help. It's obvious my engine needs work. :-[

I just got the car so I don't know when it was last serviced as there was no service book.

I'll have to face those mechaincs again. Oh no :-X :-/ >:(
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Kate

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Re: MPG!
« Reply #14 on: 12 February 2008, 23:11:02 »
Forgot to mention.  I drive really economically.  Did some advanced driver training and have been driving since the eighties.  I look really young for my age though!  ;D
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