AndyW
Member
Registered: 28th Oct 02
Location: Greater London
User status: Offline
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i have a BFO filter n a backbox as for the engine thats it, i try n change gear between 3k n 3.5k when driving, yet i get bout 250miles to a full tank or petrol...? i obv boot it occasionally but not all the time...
do things like new spark plugs etc make a diff wondering if i should change em or not
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Rileysport
Member
Registered: 18th Jun 04
Location: West Yorkshire
User status: Offline
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a leak, mine was as simple as a fuel tank made of blotting paper
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Greasemonkey
Member
Registered: 17th Apr 02
Location: Drives a Tractor
User status: Offline
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CTS sensor, Air Mass Meter could be the suspects
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corsa_jim
Member
Registered: 21st Sep 03
Location: guisborough
User status: Offline
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@ a rough estimate i avarage 27 to the gallon in my 1.4 8v SRI ( green cotton cone filter ported n polished head and bk box) avrage driveing with the ocasional boot 
Jim
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IntaCepta
Member
Registered: 25th Mar 02
Location: Mill Hill East, Greater London
User status: Offline
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i do about 26-27mpg with gear changes to 2.5krpm.. i drive like a grany !
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AndyW
Member
Registered: 28th Oct 02
Location: Greater London
User status: Offline
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hmm i dnt av the sri i have single point engine... i get roughly 28mpg spose not that bad then its just i cant wqork out how ppl in Xe's etc r gettin same sort of mileage
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p4ult
Member
Registered: 1st Apr 02
Location: Chadwell Heath, Essex
User status: Offline
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Andy, when was the last time you had it serviced?
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OGX
Member
Registered: 14th Oct 03
Location: glasgow, scotland
User status: Offline
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wheels and sound system can also cause poor MPG! Try driving with the standard airbox back in!
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