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Author Topic: Excessive Fuel Consumption  (Read 5074 times)

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Tex

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Excessive Fuel Consumption
« on: 06 March 2012, 10:44:37 »
Hi All,

The indicated average fuel consumption has just dropped dramatically on my 2.2 Auto petrol. It normally hovers sround 29mpg but yesterday dropped to 24mpg. I zeroed the reading to make sure.

Anyone have any idea what could cause this? I have a warning light (orange) that my garage says is a lambda sensor failure.
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SJKOO01

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Re: Excessive Fuel Consumption
« Reply #1 on: 06 March 2012, 11:29:14 »
Quote from: Tex on 06 March 2012, 10:44:37
Hi All,

The indicated average fuel consumption has just dropped dramatically on my 2.2 Auto petrol. It normally hovers sround 29mpg but yesterday dropped to 24mpg. I zeroed the reading to make sure.

Anyone have any idea what could cause this? I have a warning light (orange) that my garage says is a lambda sensor failure.

Highlighted - Erm... garage says?  Did they give you any code number(s) for the fault / can you get the codes by any chance and post up here?

Any other work done / problems you've noticed as well as the consumption problem?
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tango

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Re: Excessive Fuel Consumption
« Reply #2 on: 06 March 2012, 12:41:31 »
dont rely on the garage
is the eml showing,have you checked codes
lambda failure would illuminate the eml
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tgm147

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Re: Excessive Fuel Consumption
« Reply #3 on: 06 March 2012, 12:53:57 »
Quote from: Tex on 06 March 2012, 10:44:37
Hi All,

The indicated average fuel consumption has just dropped dramatically on my 2.2 Auto petrol. It normally hovers sround 29mpg but yesterday dropped to 24mpg. I zeroed the reading to make sure.

Anyone have any idea what could cause this? I have a warning light (orange) that my garage says is a lambda sensor failure.

Bloody wish mine said that, hovering at 21mpg at the moment.
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tunnie

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Re: Excessive Fuel Consumption
« Reply #4 on: 06 March 2012, 13:47:30 »
Yes, need to get the codes read in full, before you go changing parts  :y

I average 24mpg to 27mpg over the course of a tank in my 3.2, with 2.2 I could easily get 30mpg mixed driving over a tank.
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ree

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Re: Excessive Fuel Consumption
« Reply #5 on: 06 March 2012, 16:44:32 »
just popped in to say i get 22 miles to the gall   :'( on a good day lol it loves a drop of juice  :P
 
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Simon23

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Re: Excessive Fuel Consumption
« Reply #6 on: 06 March 2012, 17:09:34 »
15-18 mpg.
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tunnie

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Re: Excessive Fuel Consumption
« Reply #7 on: 06 March 2012, 17:11:00 »
Quote from: Simon23 on 06 March 2012, 17:09:34
15-18 mpg.

Hope you have a 3.2 & one of those god awful plastic boxes behind you on a tow bar & driving in town to get that kind of MPG  :o
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Simon23

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Re: Excessive Fuel Consumption
« Reply #8 on: 06 March 2012, 17:17:46 »
Quote from: tunnie on 06 March 2012, 17:11:00
Quote from: Simon23 on 06 March 2012, 17:09:34
15-18 mpg.

Hope you have a 3.2 & one of those god awful plastic boxes behind you on a tow bar & driving in town to get that kind of MPG  :o


3.0 elite manual with thirsty mods. Yet I barely ever have the room to hit full throttle :(
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tunnie

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Re: Excessive Fuel Consumption
« Reply #9 on: 06 March 2012, 17:27:02 »
Manual, even a 3.0 should be more than that. Even our local Mr Angry certain Admin with his digital throttle pedal only achieves that on LPG!
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Simon23

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Re: Excessive Fuel Consumption
« Reply #10 on: 06 March 2012, 18:28:15 »
Quote from: tunnie on 06 March 2012, 17:27:02
Manual, even a 3.0 should be more than that. Even our local Mr Angry certain Admin with his digital throttle pedal only achieves that on LPG!
Lol
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chrisdb

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Re: Excessive Fuel Consumption
« Reply #11 on: 07 March 2012, 14:23:14 »
Hmmm, yes, mine dropped suddently a few months ago from around 32 on motorway to 28. I reckon they've watered down the supermarket petrol!
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tgm147

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Re: Excessive Fuel Consumption
« Reply #12 on: 07 March 2012, 17:45:40 »
Quote from: tunnie on 06 March 2012, 17:27:02
Manual, even a 3.0 should be more than that. Even our local Mr Angry certain Admin with his digital throttle pedal only achieves that on LPG!

No idea how much that made me giggle.
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tigers_gonads

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Re: Excessive Fuel Consumption
« Reply #13 on: 07 March 2012, 22:39:13 »
Quote from: Simon23 on 06 March 2012, 17:09:34
15-18 mpg.


kin ell, I get 25 on petrol
22 on lpg around town with a boot full of tools and cable

And believe me, I don't pish about  ;D ;D ;D
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Simon23

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Re: Excessive Fuel Consumption
« Reply #14 on: 08 March 2012, 00:17:59 »
Quote from: tigers_gonads on 07 March 2012, 22:39:13
Quote from: Simon23 on 06 March 2012, 17:09:34
15-18 mpg.


kin ell, I get 25 on petrol
22 on lpg around town with a boot full of tools and cable

And believe me, I don't pish about  ;D ;D ;D


You've seen mine though lol.
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