jmdsouth
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Registered: 11th Feb 03
User status: Offline
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hi im currently getting about 70-80 miles to a tenner out of my 1.4 16v sport which has a pipercross induction kit and 4" stainless steel backbox and 17" alloys does that sound about right? im going to change my oil and petrol filter as well as the oil soon as well hopefully will increase my mpg...  
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drax
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Registered: 5th Feb 05
Location: Sittingbourne, Kent
User status: Offline
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sounds better than my 1.2 8v is doing  but i hear the 1.2 has to work harder than the 1.2, thus uses more petrol anyway 
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langey
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Registered: 7th Sep 03
Location: Wigan
User status: Offline
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80miles to a tenner is better than 40-50miles
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GTS-T Rob
Member
Registered: 20th Jul 05
Location: Cambridgeshire Drives: Skyline
User status: Offline
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whats the main causes of low mpg?
i get 40 miles to £10!
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AuroraSport
Member
Registered: 5th Mar 05
Location: Norfolk Drives: Audi B5 S4 Avant
User status: Offline
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quote:
Originally posted by Cruising Corsa
whats the main causes of low mpg?
i get 40 miles to £10!
lots of things, heavy right foot, correct gearing, motorway miles or 'down the shops' miles etc. i find a tenner will last me 110 miles ish in my 1.4 sport
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langey
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Registered: 7th Sep 03
Location: Wigan
User status: Offline
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quote:
Originally posted by Cruising Corsa
whats the main causes of low mpg?
i get 40 miles to £10!
overfueling, lead right foot, low tyre preasure, roof racks, fat bird
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jmdsouth
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Registered: 11th Feb 03
User status: Offline
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langely have you got a 1.4 or a 2ltr?
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doge5644_uk
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Registered: 26th Sep 03
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i have a 1.4 8v sri, best i seem to do on standard esso fuel to a tenner, is 80 miles, and 70 when i got a very heavy foot!
thats just standard around town driving
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langey
Member
Registered: 7th Sep 03
Location: Wigan
User status: Offline
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quote:
Originally posted by jmdsouth
langely have you got a 1.4 or a 2ltr?
2.0
but my 1.4 wasnt getting much better milage, about 80-90miles to £10, it soon after died, and judging by the sparkplugs when we took them out, it was overfueling by alot
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GTS-T Rob
Member
Registered: 20th Jul 05
Location: Cambridgeshire Drives: Skyline
User status: Offline
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how do you stop it overfueling?
had it on the vauxhall computers before, and it kept changing between rich/lean every second?
ive tried driving it different styles and i still dont get any extra miles for my money!
max i get it 50 miles out of a 10er
any other suggestions, anything i could check? clean? change?
its got a shitty induction kit on think i may put standard airbox on again with the drilled holes, as that what i used to have before, but surely this cant cause such bad milage?
had an engine conversion too, so maybe loose vacuums or something? would that cause it?
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langey
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Registered: 7th Sep 03
Location: Wigan
User status: Offline
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lots of things could cause it to run rich, sadly my wisdom does not include engines or engine problems
when i put a BFO filter on, it gave me less milage, and it just got worse and worse. try putting the standard airbox back on, put a tenner in, do your normal driving stylee and see what happens?
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GTS-T Rob
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Registered: 20th Jul 05
Location: Cambridgeshire Drives: Skyline
User status: Offline
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yeah ill have to try that i guess, not had standard air box on since conversion, ive just put up with the bad mpg for ages, but finally got fed up now, i want the days back when i used to get 100 miles for my £10 lol
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K5-KYL
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Registered: 5th Aug 05
Location: Cowdenbeath, Fife
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im gonna take my k&n out and put a standard filter in, and see how much mpg i get. on about 75 to a tenner just now, which is quite poor.
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AuroraSport
Member
Registered: 5th Mar 05
Location: Norfolk Drives: Audi B5 S4 Avant
User status: Offline
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its not just air boxes and things...where do you drive for example? if you are doing a lot of stop start motoring i.e. in town you will use more fuel than keeping a consistent speed on the motorway. harsh acceleration and deceleration will put your mpg down as well as will bad tyre pressures as mentioned above...just some thoughts for ya
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GTS-T Rob
Member
Registered: 20th Jul 05
Location: Cambridgeshire Drives: Skyline
User status: Offline
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yeah town driving i get about 40 miles to a tenner, but then motorway and stuff i get about 50 lol even with a light foot!
bit poor really
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shane2corsa
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Registered: 4th Sep 05
Location: Nettleham, Lincolnshire
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me and a mate went from lincoln to silverstone for trax, i had a 1.2 8v spi, he had a 2.1 16v. i used 3/4 of a tank of fuel and he used a quarter! 
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sunshine beast
Member
Registered: 7th Jan 05
User status: Offline
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coolent temp sensor...lambda sensor would be the first 2 things to try
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J100RSA
Member
Registered: 4th Mar 01
Location: Thornhill, West Yorkshire
User status: Offline
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in j100 i get about 35miles to a 10a
in the renault i get 150miles to a 10a
in the jag i get anything as low as 10-15miles if i give it some to a 10a
j100 is 2.0 on tb's renault is a laguna dci and jag is xjs 5.3 v12
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jmdsouth
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Registered: 11th Feb 03
User status: Offline
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so 100 miles to a tenner in a 1.4 16v is still possible? i used to get that but that was a couple of years ago which was the days when a tenner would take my fuel gauge upto the 20ltr (half way) mark now never gets near it! perhaps i should take my pipercross off and get a normal air filter it was on the car when i had it and i never bothered to change it.
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boyracer2002
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Registered: 10th Aug 02
Location: West Yorkshire
User status: Offline
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fek i would be happy with those figures, in my works van (berlingo) i only get 60miles to £10 and thats a diesel
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Rileysport
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Registered: 18th Jun 04
Location: West Yorkshire
User status: Offline
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i get 60-70 to a tenner in mine... but my right foot is made of lead
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mwg
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Registered: 19th Feb 04
Location: South Lakes
User status: Offline
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Petrol prices change and also vary all round the country volume of petrol doesn't change. Would be better to say how many miles do you get to say 15 litres then its a better comparison 
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Brett
Premium Member
Registered: 16th Dec 02
Location: Manchester
User status: Offline
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you guys think your mpg's are bad
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