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Author what could the cause of poor MPG be?
AndyW
Member

Registered: 28th Oct 02
Location: Greater London
User status: Offline
2nd Mar 05 at 16:39   View User's Profile U2U Member Reply With Quote

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
Rileysport
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Registered: 18th Jun 04
Location: West Yorkshire
User status: Offline
2nd Mar 05 at 16:40   View User's Profile U2U Member Reply With Quote

a leak, mine was as simple as a fuel tank made of blotting paper
Greasemonkey
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Registered: 17th Apr 02
Location: Drives a Tractor
User status: Offline
2nd Mar 05 at 16:41   View User's Profile U2U Member Reply With Quote

CTS sensor, Air Mass Meter could be the suspects
corsa_jim
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Registered: 21st Sep 03
Location: guisborough
User status: Offline
2nd Mar 05 at 22:34   View User's Profile U2U Member Reply With Quote

@ 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
IntaCepta
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Registered: 25th Mar 02
Location: Mill Hill East, Greater London
User status: Offline
2nd Mar 05 at 23:59   View User's Profile U2U Member Reply With Quote

i do about 26-27mpg with gear changes to 2.5krpm.. i drive like a grany !

AndyW
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Registered: 28th Oct 02
Location: Greater London
User status: Offline
3rd Mar 05 at 11:26   View User's Profile U2U Member Reply With Quote

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
p4ult
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Registered: 1st Apr 02
Location: Chadwell Heath, Essex
User status: Offline
5th Mar 05 at 18:01   View User's Profile U2U Member Reply With Quote

Andy, when was the last time you had it serviced?
OGX
Member

Registered: 14th Oct 03
Location: glasgow, scotland
User status: Offline
5th Mar 05 at 18:12   View User's Profile U2U Member Reply With Quote

wheels and sound system can also cause poor MPG! Try driving with the standard airbox back in!

 
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