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Author 23 MPG on a 1.2!!!! WHATS GOIN ON???
Spence
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Registered: 13th Jan 03
Location: Bristol UK
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9th Mar 03 at 12:40   View User's Profile U2U Member Reply With Quote

i am gettin bout 100 miles 2 a tenner n all in my 1.2 16v
Geezer
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Registered: 3rd Mar 03
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9th Mar 03 at 15:09   View User's Profile U2U Member Reply With Quote

drive slower and you'll get more. well don't accelerate as fast helps as well, u can go 40 or whatever just take your time getting to that speed.
5RI 16V
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Registered: 9th Feb 03
Location: London
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9th Mar 03 at 16:32   View User's Profile U2U Member Reply With Quote

yeah, i agree with the above. i drive like that 50% of the time, and rags it on the toher half.

i get at least 90 miles to £10, with an induction kit .

1.4 16v btw
Mikorsa16v
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Registered: 2nd Sep 02
Location: Burgess Hill, West Sussex
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9th Mar 03 at 16:46   View User's Profile U2U Member Reply With Quote

fuel prices gone up maybe?
Mikorsa16v
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Registered: 2nd Sep 02
Location: Burgess Hill, West Sussex
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9th Mar 03 at 16:47   View User's Profile U2U Member Reply With Quote

what a stupid reply mikee24
Nath
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Registered: 3rd Apr 02
Location: MK
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9th Mar 03 at 17:03   View User's Profile U2U Member Reply With Quote

I'm getting about 80 miles out of tenner. Thats with some conservative driving and some high revs action! I have a 1.4 16v with K&N57i and new stainless backbox.
glasgow_corsa_c
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Registered: 13th Jan 03
Location: Ecosse
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9th Mar 03 at 17:51   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by MattyB
mine too - i'm gettin bout 40 miles out of a tenner?? wots goin on.....??? I reckon its my air filter and 16"s....... hmmmm gonna b even worse with my flamer...

Matt


i put 10 quid in last night when i started deliveries & got just over 80 miles outa the 10 quid i put in. (which was 80 miles of the car gettin hammered basically non-stop).
troublesome
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Registered: 25th Dec 02
Location: Birmingham Drives : Corsa B 1.2
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9th Mar 03 at 18:23   View User's Profile U2U Member Reply With Quote

i dont put my foot down that much, i get 75 just about to a tenner should be gettin 100 at least...
M2RTY
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Registered: 25th May 01
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9th Mar 03 at 18:40   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Mikee24
what a stupid reply mikee24


how the fuck is it?

as fuel goes up u get less miles to a tenner

how easy do u want it to be?
troublesome
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Registered: 25th Dec 02
Location: Birmingham Drives : Corsa B 1.2
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10th Mar 03 at 00:23   View User's Profile U2U Member Reply With Quote

ttt
jjcymru
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Registered: 28th May 02
Location: ammanford,south wales
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10th Mar 03 at 12:27   View User's Profile U2U Member Reply With Quote

do u have the engine management light on?

Check for splits in the air intake pipes to the throttle body or air leaks in the throttle body

also change the ecu coolant temp sensor -back left hand side of the head with a 13mm nut holding it in - this controls mixture according to temperature.

Spray carb cleaner into the breather pipes and the throttle body

change ur plugs and leads and set to the correct specified gap in haynes manual

If you want any more info on the 1.2 8v let me know.

bert1400
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Registered: 20th Nov 02
Location: Chelmsford
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10th Mar 03 at 16:43   View User's Profile U2U Member Reply With Quote

When my thermostat was stuck open the car would never get to normal running temp. This meant the ecu temp sensor detected that the car was cold and so the ECU overfuelled given me awful fuel consumption of about 25mpg. Now that it's fixed, it's back to about 40 mpg. (1.4 8v sp). Check it's running over 90 degrees.
MattyB
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Registered: 13th Nov 01
Location: 118.5bhp :D
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10th Mar 03 at 17:55   View User's Profile U2U Member Reply With Quote

I've done a massive cut out on my front combat bumper......the temp guage on the dash never goes over 90 degrees. So u reckon i shud get a new ECU temp sensor (like suggested above?)

I mean the choke goes off coz it idles nicely at well under 1k.........but maybe its running too lean coz of the big cut out?

.....just seems likes its guzzling loads more than it shud......i want my 40 mpg back i'm skint and i really cant afford to keep putting £20 in every week for bout 100 miles use round town.

Matt>>

[Edited on 10-03-2003 by MattyB]
dja
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Registered: 16th Nov 02
Location: Bolton,lancs
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10th Mar 03 at 18:36   View User's Profile U2U Member Reply With Quote

There Must be something wrong as i get 90 miles out of a tenner and mines a gsi 1.6 16v,and thats not driving like a granny either!!
Dave
jjcymru
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Registered: 28th May 02
Location: ammanford,south wales
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10th Mar 03 at 18:37   View User's Profile U2U Member Reply With Quote

if it runs too lean the ECU light will come on...i found this out with a bolt nova 1.2 onto the throttle body k+n filter!
dja
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Registered: 16th Nov 02
Location: Bolton,lancs
User status: Offline
10th Mar 03 at 18:39   View User's Profile U2U Member Reply With Quote

23mpg is prob right if you boot it ALL the time
MattyB
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Registered: 13th Nov 01
Location: 118.5bhp :D
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10th Mar 03 at 18:49   View User's Profile U2U Member Reply With Quote

Would it make sense - the big cut out on the front bumper, meaning the engine is constantly running too cold, thus wanting it to over fuel? It idles nice and low.

Matt
Black Corsa SRi
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Registered: 25th May 02
Location: ---Stockport---- Drives: Pug 206 Roland Garros
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10th Mar 03 at 18:57   View User's Profile U2U Member Reply With Quote

Mate mine constantly runs at between 88-90 (ie either on the start of gauge or slightly below) and I get about 110 miles to £10, thats sometimes bootin it and sometimes not! from what i've been told the corsa B temp gague starting at 90 is like the middle of most temp gaguues and operating slightly below the 90 mark is not a prob and if ya car idling about 750 RPM liek mine dont thnk it too much of a prob but I no expert!
Rob H
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Registered: 28th Oct 00
Location: Staffordshire Drives: Astra SRi
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10th Mar 03 at 19:05   View User's Profile U2U Member Reply With Quote

Nah matt nothing to worry about. If yours was running too cold, it wouldnt ever go off fast idle. mine usually sits at or just above 90.

Like i said before though, i really think its because the engines so piss-poor slow. You have to floor it for it to move anywhere. What people forget is that when you put your foot down to accelerate (which usually is to the floor with a 1.2), even though you may not be revvign it alot, the ecu chucks more fuel in the cylinders with the increase in air, so that the engine will speed up. The enigine really doesny accelerate without you opening the throttle up quite a bit.

With a 1.4 etc though, the problem isnt as bad, because the engines have a lot more torque, and therefore will speed up pretty quick, without the need for as much of a throttle opening.

Thats my theory anyway
Black Corsa SRi
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Registered: 25th May 02
Location: ---Stockport---- Drives: Pug 206 Roland Garros
User status: Offline
10th Mar 03 at 19:06   View User's Profile U2U Member Reply With Quote

I'd agree with that mate!
dja
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Registered: 16th Nov 02
Location: Bolton,lancs
User status: Offline
11th Mar 03 at 00:38   View User's Profile U2U Member Reply With Quote

id also agree with that.
My first nova was a 1.4 SR,then i got a GTE.
The GTE used alot less petrol when driving sensibly as you could drive it at normal speeds by hardly touching the gas pedal.
And my corsa GSi is even better on juice.
A mate of mine used to have a corsa with a X20XE in it and he still got over 30 mpg out of it!

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