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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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FUEL CONSUMPTION QUESTIONViews : 1453 Replies : 5Users Viewing This Thread : |
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Nov 15th, 2002, 19:11 | #1 |
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FUEL CONSUMPTION QUESTION
Im the new owner of a 1997 (N reg) V40 1.8 SE automatic with 55500 miles on the clock. I am concerned at the moment that my vehicle is drinking the petrol I provide it.
Since two weeks ago: £35.00 fuel, range 240 miles £40.00 fuel, range 280 miles £30.00 fuel, range 220 miles. Ive just changed vehicles from a Vectra 2.0 GLSi (LPG/Petrol) which was very cheap to run, are the figures above normal or is this really a T4/5 I'm running. If this is excessive could someone owning a similar model give me some idea of what I should be getty and how I go about improving the MPG. Thank you |
Nov 15th, 2002, 20:06 | #2 |
VOC Member
Last Online: Aug 12th, 2015 14:44
Join Date: Dec 2001
Location: sunderland
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RE: FUEL CONSUMPTION QUESTION
my s40 1.6 returns 42 mpg on a long run, not exceeding 70mph.
a more acurate way of calculating mpg is to fill the tank right to the top [ obtain a bank loan first!!:-( ] zero the odometer, then fill to the top again after doing say 200 miles, note the ammount of fuel to refill, then divide the litres by the mileage. paul [4 forty] |
Nov 16th, 2002, 08:22 | #3 |
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RE: FUEL CONSUMPTION QUESTION
Well comparing running costs of a petrol car to an lpg powered car will clearly not give a very good comparison.
Presumably you do not have the control centre that provides mpg figures? Not knowing how much you spend per litre makes it difficult to say if you are having a problem. Can you calculate or estimate an mpg figure over a couple of tank fulls and then compare it to the handbook. If it's widely different post back and we can give some suggestions. Mike |
Nov 16th, 2002, 18:18 | #4 |
Ray T
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RE: FUEL CONSUMPTION QUESTION
I have a 2.0CD with minor mods to the engine dept and on a run using cruise control at 60 mph am getting 39-40 mpg. Around town 25-28 mpg.
These figures obtained using the trip computer. The car is a 1966 model with 47K miles. Hope this is of use. |
Nov 18th, 2002, 07:58 | #5 |
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RE: FUEL CONSUMPTION QUESTION
1966, a bit of a classic then :), and what low milage for it's age!
Stu |
Nov 18th, 2002, 11:01 | #6 |
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Last Online: Apr 7th, 2008 13:05
Join Date: Dec 2001
Location: Worcs
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RE: FUEL CONSUMPTION QUESTION
£30 of fuel will only put 3/5 of a tank in my car. :-(
You need to (as suggested above I think) zero your trip meter, fill your car up, drive it around until it is 1/4 full and then fill up again. (Same amount of clicks on the pump nozzle as the last time, ;-) ) Then write down the mileage on the trip meter. Write down the amount of litres you have used and convert to gallons and then divide miles by gallons. Simple. e.g: You have used 48.67 litres and driven 350 miles. Divide the litres by 4.546 and that will give you 10.91 Gallons. Divide 350 by 10.91 and you get 32.08 mpg. This is a pretty accurate way of doing it as long as you use the same criteria to fill up everytime. If you do not have a trip computer then it is a good idea to do this every so often, as sudden increased fuel consumption can indicate various problems with the car. The more you check the earlier you will catch it. I get 33 out of my T4 on a run with varying, moderate speeds and anything from 22-26 around town depending on how much fun I have. ;-) That is using Optimax as well. Cheers, Dan. |
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