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Fuel consumption



D

Dex90

ClioSport Club Member
  11Megne250/02Clio172
Hey all ,

I think I have an issue with my 172. Just recently out back on the road after 4 years, booked oultan park on Tuesday so took a drive down to demon tweeks to get a helmet. Filled up the tank with 99 Ron before I set off. Foot was down getting to 70 wherever I stopped so 15 times maybe ? Other then that mainly motor way 4k rpm.

Trip there and back was roughly 120 miles and the car used half a tank. Seems very bit excessive ? Gets me about 18/19mpg .

What could it be ?
 
STEVE.M

STEVE.M

  PH2 172
Dex90 said:
Hey all ,

I think I have an issue with my 172. Just recently out back on the road after 4 years, booked oultan park on Tuesday so took a drive down to demon tweeks to get a helmet. Filled up the tank with 99 Ron before I set off. Foot was down getting to 70 wherever I stopped so 15 times maybe ? Other then that mainly motor way 4k rpm.

Trip there and back was roughly 120 miles and the car used half a tank. Seems very bit excessive ? Gets me about 18/19mpg .

What could it be ?
Click to expand...

Fill it up & see how much you actually used?
 
D

Dex90

ClioSport Club Member
  11Megne250/02Clio172
typo on the ron , has always been 99!
to clarify i filled up before the trip to wrexham £48 35.92 litres with 99 ron
i've just filled up again, after the trip, and put in 15.34 litres of 99 ron again, i even used the same pump as this morning.

120 miles ish, i'll go lower to 115 to be sure @ 15.34 litres = 28.37mpg

still seems low to me? 90% was mostly motorway miles 4k rpm
 
D

Dex90

ClioSport Club Member
  11Megne250/02Clio172
does the clio 172 have a built in mpg computer? i dont have a manual so no way for me to know lol
 
STEVE.M

STEVE.M

  PH2 172
Dex90 said:
typo on the ron , has always been 99!
to clarify i filled up before the trip to wrexham £48 35.92 litres with 99 ron
i've just filled up again, after the trip, and put in 15.34 litres of 99 ron again, i even used the same pump as this morning.

120 miles ish, i'll go lower to 115 to be sure @ 15.34 litres = 28.37mpg

still seems low to me? 90% was mostly motorway miles 4k rpm
Click to expand...

I make that 32.8 mpg if I take the mileage as 115.

4k is 90 mph if yours is a Ph1 172 with a JC5-089 box.

Not bad considering.

Even if you don`t have rodents in your air filterbox, a new filter will give a significant improvement.

See post 748.

https://www.cliosport.net/threads/what-have-you-done-to-your-car-today.635775/page-194#post-11461250

Sorry just seen your fresh post regarding replacing air filter.
 
D

Dex90

ClioSport Club Member
  11Megne250/02Clio172
IMG_20180714_193455290_LL.jpg
Is that the last trip or since last reset ?
How do you reset
 
D

Dex90

ClioSport Club Member
  11Megne250/02Clio172
D

Dex90

ClioSport Club Member
  11Megne250/02Clio172
cheers, i'll do that.
i just googled litres per mile to mpg conversion and it came back with 28.37
so is 31mpg pretty standard or is that still a bit low? i was just shocked i used half a tank on the indicator. i thought the tank was 50 litres though and 15.37 litres is only about a 1/4 of a tank if thats the case, maybe fuel level sensor is a bit flaky.
 
STEVE.M

STEVE.M

  PH2 172
Dex90 said:
cheers, i'll do that.
i just googled litres per mile to mpg conversion and it came back with 28.37
so is 31mpg pretty standard or is that still a bit low? i was just shocked i used half a tank on the indicator. i thought the tank was 50 litres though and 15.37 litres is only about a 1/4 of a tank if thats the case, maybe fuel level sensor is a bit flaky.
Click to expand...

The fuel guage reads empty long before run out.

If you press the trip meter button on the wiper stork, then turn on the ignition and then press the button a 2nd time, it will display how fuel you have left in the tank on level ground.
 
D

Dex90

ClioSport Club Member
  11Megne250/02Clio172
fyi - you did say that but i didn't understand what you said until bloke said same thing lol
 
B

bloke

  dan's cast offs.
Dex90 said:
fyi - you did say that but i didn't understand what you said until bloke said same thing lol
Click to expand...


it's his accent makes him hard to understand ?

your mpg isn't that bad, plug it in and check wehat the lambda is doing and fuel trims etc. lambda is probably slow.
 
H

hipwell

  monaco 172
When my front lambda packed in i was down at 28mpg, usually 36.

Replaced front lambda and mpg returned to 36ish
 
D

Dex90

ClioSport Club Member
  11Megne250/02Clio172
could always try that. car is ancient now so wouldn't do any harm
 
Ol’ Tarby

Ol’ Tarby

ClioSport Moderator
  Clio 220 Trophy
The first half of the gauge will drop pretty quickly, then it'll slow down. My old 172 would show just one bar on the gauge after putting a tenner in, even though that's pretty much 1/4 tank
 
STEVE.M

STEVE.M

  PH2 172
James said:
The first half of the gauge will drop pretty quickly, then it'll slow down. My old 172 would show just one bar on the gauge after putting a tenner in, even though that's pretty much 1/4 tank
Click to expand...

I don`t know if I`m more shocked that you only put a tenner in, or you still think that`s a I/4 tank.

Was this in 2005?
 
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