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Author Topic: Low mpg - engine faulty?  (Read 3245 times)

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geoffr70

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Re: Low mpg - engine faulty?
« Reply #15 on: 19 November 2010, 21:32:36 »

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to be honest not really interested in what mpg i get  if it bothered me that much i wouldnt drive a v6 omega :y

yeah but it can help to give an indication as to what state of health the engine is in
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Re: Low mpg - engine faulty?
« Reply #16 on: 19 November 2010, 21:33:51 »

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Quote
Mine is a 2.5 auto which I've had for six and a half years and I average 24.2 mpg. I reckon it is around the 20 mark for town work and I have never seen above 30 on a run (90ish is my favoured cruising speed).
Blimey - I've managed over 32mpg from my MV6 over a holiday (1800 miles).  That included some 130mph stints on the French autoroutes ::)

3500 miles, 3000 of which spent at 90+mph on foreign motorways (sometimes considerably more :-X ::)) travelling to Southern Italy and back saw somewhere around 32mpg too :y :y And as some people will know, I don't exactly hang about ::) ::)
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millwall

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Re: Low mpg - engine faulty?
« Reply #17 on: 19 November 2010, 21:40:07 »

Quote
Quote
to be honest not really interested in what mpg i get  if it bothered me that much i wouldnt drive a v6 omega :y

yeah but it can help to give an indication as to what state of health the engine is in

just popped out to car according to the trip thingy  avg 25.6 mpg   pretty good if right  mixture of town and  a roads  mostly in london though
« Last Edit: 19 November 2010, 21:40:53 by millwall »
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Millerboy

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Re: Low mpg - engine faulty?
« Reply #18 on: 19 November 2010, 22:07:05 »

Mine is showing 28.3 over an average of 3000 miles, mostly consisting of running to work and back, a total of a 20 mile round trip along country roads. I should point out my car has a massive flat spot between 1500 and 3000 revs and this average is slowly dropping. I also set the cruise control whenever possible but I do drive it like a granny due to the price of fuel at the moment!  >:(
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Re: Low mpg - engine faulty?
« Reply #19 on: 19 November 2010, 22:31:55 »

My 2.6 auto - 35+ on the motorway, mid twenties around town unless the town is London, in which case low twenties. 

Redhill to WIM in Chesham the other day, three parts motorway but with speeds kept legal by traffic, average 34.8 going and 36.1 coming back.  So it obviously helps if all your wheels are all pointing in the direction you want to go!   :y

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Re: Low mpg - engine faulty?
« Reply #20 on: 20 November 2010, 15:10:59 »

mpg. urm let me see?
    fuel gauge near bottom, best fill it up again,
   what does mine do to the gallon dont care.
   if you worry that much about mpg buy a smaller car not a big ol gas guzzling barge
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TheBoy

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Re: Low mpg - engine faulty?
« Reply #21 on: 20 November 2010, 15:16:40 »

I use LPG, so DILLIGAF ;D

(But the car reads 21.something, actual (LPG usage) is around 19.5)


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oceansoul

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Re: Low mpg - engine faulty?
« Reply #22 on: 20 November 2010, 17:13:57 »

I only get about 22 in my 2.2 manual around town. Somethings not right there :( Got about 35 average when i went to Belgium last month. Although some parts i stuck to the .......130....speed limit that was posted...... ::)
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Andy B

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Re: Low mpg - engine faulty?
« Reply #23 on: 20 November 2010, 19:45:36 »

Quote
mpg. urm let me see?
    fuel gauge near bottom, best fill it up again,
   what does mine do to the gallon dont care.
   if you worry that much about mpg buy a smaller car not a big ol gas guzzling barge

who said they cared? Most people quoting mpg are reading directly from the MID/TID/etc  ;)
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TheBoy

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Re: Low mpg - engine faulty?
« Reply #24 on: 21 November 2010, 01:56:51 »

Quote

who said they cared? Most people quoting mpg are reading directly from the MID/TID/etc  ;)
Thats impressive ::)
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edsomega

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Re: Low mpg - engine faulty?
« Reply #25 on: 21 November 2010, 13:22:27 »

I've just bought a 1.3 CDTi Vauxhall Combo to hack about in as I needed a van and was getting fed up with a boot full of my plumbing gear and assorted tools, so I can save my Omega for 'best'. I am curious to know what other 3.0 V6 Auto drivers are getting though - I have been getting an average of 23 with the 'eco' button on (ie no air con) for mixed driving with a lead foot. Is this normal? It goes down to about 21.5 with the aircon on in the summer....
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Re: Low mpg - engine faulty?
« Reply #26 on: 21 November 2010, 20:33:43 »

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I've just bought a 1.3 CDTi Vauxhall Combo to hack about in as I needed a van and was getting fed up with a boot full of my plumbing gear and assorted tools, so I can save my Omega for 'best'. I am curious to know what other 3.0 V6 Auto drivers are getting though - I have been getting an average of 23 with the 'eco' button on (ie no air con) for mixed driving with a lead foot. Is this normal? It goes down to about 21.5 with the aircon on in the summer....

Dunno.... Don't think I've ever run it with the Eco button pressed ::)
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less

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Re: Low mpg - engine faulty?
« Reply #27 on: 22 November 2010, 16:42:43 »

Well........ Thanks to everyone who has responded  :y

It seems that some people (including at least one oofer that has been carefully set ip by Daz) get similar mileage to me but many others get much better.

So, I am none the wiser  :( particularly since some of the low mpg respondee's seem to have well maintained and serviced vehicles.

Maybe there are other less obvious factors? With few exceptions, most in both groups seem to have heavy right feet!
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Evo

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Re: Low mpg - engine faulty?
« Reply #28 on: 22 November 2010, 19:27:00 »

Manual mpg from 1996 Driver's manual
                      2.0 16V       2.5TD         2.5 V6     3.0 V6   
Urban                  26.2        31.0           24.4         22.1
56 mph                42.8        50.4           40.4         39.2
75 mph                35.3        37.2           32.8         32.1
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Kneepad

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Re: Low mpg - engine faulty?
« Reply #29 on: 22 November 2010, 20:47:33 »

Quote
Manual mpg from 1996 Driver's manual
                      2.0 16V       2.5TD         2.5 V6     3.0 V6   
Urban                  26.2        31.0           24.4         22.1
56 mph                42.8        50.4           40.4         39.2
75 mph                35.3        37.2           32.8         32.1

 ;D ;D ;D Recently returned from a 300 mile round trip mainly motorway, cruise control on 60mph, MPG 27.2   ;D ;D
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