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Author Fuel question
Corsa-GSI
Member

Registered: 18th Aug 03
Location: Essex
User status: Offline
2nd Nov 03 at 19:55   View User's Profile U2U Member Reply With Quote

I've got a Corsa GSI and i've recently had a 1.6 16v sport engine fitted only it seems to be drinking a lot of petrol. I'm getting about 190 miles to 30.00 of fuel. Does anyone alse have a 1.6 sport and how much petrol does it use?
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
User status: Offline
2nd Nov 03 at 19:57   View User's Profile U2U Member Reply With Quote

nowhere near that much.
Fad
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Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
User status: Offline
2nd Nov 03 at 20:23   View User's Profile U2U Member Reply With Quote

bout 300-320 miles to a full tank usualy
Mo
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Registered: 29th Jan 03
Location: Bolton, Drives Q3 S-line +
User status: Offline
2nd Nov 03 at 20:34   View User's Profile U2U Member Reply With Quote

i have a 1.6 sport, and it give me different milage each time. sometimes i get loads of mile and sometimes it just drinks.

i think it's the way i drive.
Jodi_the_g
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Registered: 7th Aug 01
Location: Washington D.C
User status: Offline
6th Nov 03 at 02:03   View User's Profile U2U Member Reply With Quote

Sounds like it's running horribly rich at cruise, and an emissions test should confirm this. Get a garage to check.
The guy operating the machine ought to know the signs of rich running like the back of his hand. I think you'll get high CO and low CO2.

Bit of surrounding info:
As the carburettor ages, especially now we use unleaded petrol, it begins to over fuel. (I think it's down to erosion of the jets.) There is an idle mixture adjustment screw on the carb, and setting the idle mix is a service item, but all this does is to compensate at idle by letting a bit of clean air in, bypassing the carb (basically). This is good enough to get it through its MOT but once you get past idle, the compensation has little effect. (It's not designed to!)

What to do about it:
Well, you need a new carburettor, I recommend get one from a scrap yard from an older but slightly lower mileage car. (The idea being that it would have done most of its miles on leaded petrol.) You then need to put it on and get the emissions rechecked - mixture should be good even when revved.
It's likely the "new" carb will suffer from the same problem a little bit, but with a bit of luck it'll be much better. Get some old/new emissions figures for comparison.

Good luck, let us know how you get on!
miles
Member

Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
6th Nov 03 at 08:32   View User's Profile U2U Member Reply With Quote

Do a search, this topic is becoming more popular than the induction kits.

Someone do one sticky maybe?
MoNkEy MaGiC
Member

Registered: 12th Apr 03
Location: West - London Drives: Corsa GSi
User status: Offline
6th Nov 03 at 17:30   View User's Profile U2U Member Reply With Quote

woah! 190 miles from 30quid

i get about 190 miles from 20quid out of my Gsi and i tend to floor it too!
uprated
Member

Registered: 1st Sep 03
Location: York
User status: Offline
6th Nov 03 at 17:42   View User's Profile U2U Member Reply With Quote

thought they didnt have carbs as they are fuel injected
fax2004
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Registered: 1st Nov 03
Location: 172
User status: Offline
6th Nov 03 at 20:03   View User's Profile U2U Member Reply With Quote

A technician at work told me today that he could smell fuel on my 1.4 8v, and to get a new engine temperature sensor, as it thinks the engine is cold all the time, so is injecting more fuel
Makarus
Member

Registered: 25th Jun 02
Location: Nottingham/Derbyshire Boarder.
User status: Offline
6th Nov 03 at 20:10   View User's Profile U2U Member Reply With Quote

Thats bad man, I used to get around 300 miles to a tank which is about 32-33. But now I get 250 to a tank, dunno why, just put up with it, yet yours is massively out.

 
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