Our Success is in our members who value our strength as a valued community.
Forum Stats
12328 Members
65 Forums
73254 Topics
989074 Posts
37 posts in the last 24hrs
Max Online: 7831 @ 8th Apr 2013 4:18pm
Who's Online - Click Me
82 registered (alan128, 13 invisible), 1393 Guests and 276 Spiders online.
Key: Admin, Global Mod, Mod
Social Media : Follow Us


(Views 7days)This Weeks Most Read
Finsbury Park mosque. 915
Round the Wirral with a movie camera[1934] 423
Code reader 311
Washing machine 174
Range Rover P38A Air Suspension Help Needed 120
Loving Home Wanted For 3 Cats. 110
Ant and Dec 90
Shotwick - Old And New (Hall and Solar Farm) 75
Another Scam 67
Wanted roof box 62
New General Forums
Ant and Dec
by cools
18th Jun 2017 2:11pm
Another Scam
by Excoriator
18th Jun 2017 10:00am
Happy birthday Ste
by Dilly
12th Jun 2017 7:54am
Happy birthday Neddy
by Dilly
10th Jun 2017 11:06am
New Wirral History
Round the Wirral with a movie camera[1934]
by snowhite
16th Jun 2017 2:03pm
Bascule Bridge
by Sufee
6th Jun 2017 9:09pm
Pathe news short - merseytunnel 1934
by oldpm01
5th Jun 2017 1:57pm
1878 Post Office Directory of Cheshire query
by derekdwc
1st Jun 2017 10:41pm
Bakery at 275 Poulton Road 1925 onwards
by JAFitz
30th May 2017 8:59pm
Forum Tips
Photo Gallery Forums
wirral from Liverpool big wheel
New Brighton Big Wheel
Topic Replies
Suspended sentence for 37,000 benefit fraud mum
by Fairz87
01:31 PM
What song are you listening to?
by granny
10:18 AM
live webcam from africa, a must see
by granny
09:49 AM
VW t4 fixed side window replacement
by Mike72
08:00 AM
Sailing volunteers
by diggingdeeper
12:34 AM
Finsbury Park mosque.
by fish5133
11:48 PM
Bromborough Central Power Station
by Jimbo620
07:19 PM
Range Rover P38A Air Suspension Help Needed
by Martin1943
07:18 PM
Washing machine
by Snodvan
07:08 PM
June
M Tu W Th F Sa Su
1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30
Recent Posts : What's On ?
Shotwick - Old And New (Hall and Solar Farm)
by diggingdeeper
18th Jun 2017 11:41am
Sefton Park
by diggingdeeper
17th Jun 2017 7:28pm
Topic Options
Rate This Topic
#913128 - 2nd Dec 2014 11:48am Car losing petrol?
Maxandlucy Offline
Beginner

Registered: 16th Aug 2014
Posts: 9
Loc: Wirral
Hi,I have a nissan,put some fuel in,dashboard display said 99 miles left,hit the trip to see how it far was home,got home,said I had driven 1.9 miles,display said there was 92 left in tank!!,so 6 to 7 miles missing??

Top
Google Ads
#913130 - 2nd Dec 2014 12:20pm Re: Car losing petrol? [Re: Maxandlucy]
StuyMac Offline

Wiki Master

Registered: 24th Nov 2003
Posts: 12002
Loc: Wirralshire
It works out your average MPG, therefore if you had been on the motorway, or driving economically before adding fuel it would show a higher range. Also starting the car uses more fuel, so sometimes if you had 100miles remaining arriving home one evening, the next morning it could show 80 as it has been cold started and used more fuel in the process.

Fuel also expands with heat, so there can be less volume of fuel when the car has been left overnight and its cold in the morning.
_________________________


What If There Were No Hypothetical Questions?

Top
#913240 - 2nd Dec 2014 10:17pm Re: Car losing petrol? [Re: Maxandlucy]
mrhanky Offline
Forum Addict

Registered: 1st Dec 2010
Posts: 1236
Loc: my house
petrol thief??

Top
#913242 - 2nd Dec 2014 10:51pm Re: Car losing petrol? [Re: Maxandlucy]
Elizabeth Offline
Veteran

Registered: 28th Jul 2011
Posts: 718
Loc: Prenton, Wirral
Mine does that too, Maxandlucy but then on other occasions if I'm going at a consistent speed on the motorway for a long-ish distance, it will increase the number of miles allegedly left in the tank. It baffles me.

Top
#913252 - 3rd Dec 2014 12:31am Re: Car losing petrol? [Re: Elizabeth]
Wally1 Offline
Addict

Registered: 13th Feb 2010
Posts: 284
Loc: Wallasey
Originally Posted By: Elizabeth
Mine does that too, Maxandlucy but then on other occasions if I'm going at a consistent speed on the motorway for a long-ish distance, it will increase the number of miles allegedly left in the tank. It baffles me.


My Omega does exactly that. All that is happening is that
the "computer" assesses your driving and current consumption and recalculates the remaining miles you have left. So if you have a spell of heavy usage around town, the miles drop quickly but if you then get onto a motorway where consumption is less, your remaining miles will increase - seems wrong but is actually right. It is only a guide because it doesn't know if you might next have a spell of heavy consumption.

Top
#913335 - 3rd Dec 2014 2:20pm Re: Car losing petrol? [Re: Maxandlucy]
Gibbo Offline
Forum Addict

Registered: 27th Dec 2010
Posts: 1787
Loc: Oxton
Same with mine. Low fuel light will come on and report 60 miles left on the info screen, but I can do ten miles at a steady 50 mph and the value won't change!

Top
#913378 - 3rd Dec 2014 7:21pm Re: Car losing petrol? [Re: Maxandlucy]
j_demo Offline
Forum Addict

Registered: 4th Nov 2011
Posts: 1880
Loc: Wallasey/New Brighton
it's as StuyMac says, it works on averages.

i'll use the "bike" analogy:

petrol = energy

if you had say 100 units of energy in your body and it takes 10 units to cycle a mile then you can get 10 miles out of them 100 units. but if you had to cycle up hill you would use say 20 units of energy taking your expected distance for that amount of energy down to 5 miles, so if you're going faster/going uphill/driving into a strong headwind/in slow moving traffic you will naturally use more fuel than if you were on the straight and true's of a motorway cruising at a higher speed.

1 gallon of petrol in a car could get you on average 50 miles, so if you cruised down the motorway at say 70mpg's you'd do 70 miles, but if you were on side roads doing 40mpg then you would only get 40 miles.

it's all dependant on a number of factors.

Top
#915696 - 15th Dec 2014 5:19pm Re: Car losing petrol? [Re: Maxandlucy]
Excoriator Offline
Guardian

Registered: 21st Jan 2010
Posts: 900
Loc: wirral
All these theories flashed through my mind on one occasion when I noticed the petrol gauge falling over a five minute drive in a courtesy car I once had.

Unfortunately some toad had drilled a hole in the petrol tank to steal the fuel (Yes it WAS petrol too!) I had mixed feelings about the fact that he'd failed to blow himself and the car to bits in the process.

Rather less mixed when I realised the effect on my no claims bonus!

Top

Moderator:  StuyMac 
Random Wirral Images

Click to View Topic.
Newest Topics
VW t4 fixed side window replacement
by Mike72
08:00 AM
Range Rover P38A Air Suspension Help Needed
by Martin1943
20th Jun 2017 8:06pm
Loving Home Wanted For 3 Cats.
by DavidC
20th Jun 2017 8:32am
Finsbury Park mosque.
by Beethoven
19th Jun 2017 11:42am
Loving Home Wanted For 3 Cats.
by DavidC
18th Jun 2017 6:02pm
For Sale & Free
Washing machine
by GingerTom
20th Jun 2017 9:05pm
22" full 1080p hd and freeview tv
by monsterz4
20th Jun 2017 8:50pm
Apple TV box the 1gen
by monsterz4
20th Jun 2017 8:48pm
42 lf smart tv
by stumpyduck
20th Jun 2017 8:15pm
Wanted roof box
by monsterz4
19th Jun 2017 10:32am
Featured Member
Registered: 23rd Feb 2011
Posts: 3
Newest Members
Fairz87, mikerobbo84, Robbo1960, Gwhiz03, SamphireGreen
12328 Registered Users
Today's Birthdays
No Birthdays
New Wirral Info
Shotwick - Old And New (Hall and Solar Farm)
by diggingdeeper
15th Jun 2017 10:19pm
Sefton Park
by diggingdeeper
15th Jun 2017 10:02pm
Property Law
by lau2908
14th Jun 2017 8:04pm
van driver needed
by futurepast
14th Jun 2017 7:34pm
Sailing volunteers
by dogsbrain
14th Jun 2017 4:31pm
News : New Topics
Finsbury Park mosque.
by Beethoven
19th Jun 2017 11:42am
Grenfell Tower - Notting Hill
by diggingdeeper
14th Jun 2017 5:13am
Manchester airport
by Dilly
9th Jun 2017 6:01pm
helicopter landing irby park
by fish5133
7th Jun 2017 12:22am
LOST: Car key
by little_pob
31st May 2017 7:37pm
New Enthusiast Forums
VW t4 fixed side window replacement
by Mike72
08:00 AM
Range Rover P38A Air Suspension Help Needed
by Martin1943
20th Jun 2017 8:06pm
Loving Home Wanted For 3 Cats.
by DavidC
20th Jun 2017 8:32am
Loving Home Wanted For 3 Cats.
by DavidC
18th Jun 2017 6:02pm
Code reader
by madrob
16th Jun 2017 9:09am
(Views 24hrs)Trending Newest Topics
VW t4 fixed side window replacement 18
Wirral Sunrise Sunset
Sunrise Thu 4:43am
Sunset Thu 9:45pm
Local Time Thu 3:18pm
WikiWirral Can . . . .
Advertising Click me
To Advertise with
Wikiwirral Click Me