only getting 22mpg average HELP

Questions specifically about a Petrol powered Citroen C3 (usually engine or fuel related problems).
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My Name: morgan6603

Contributor
Posts: 10
Joined: Fri Jul 15, 2016 5:18 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4
Fuel Type: Petrol
Mileage: 80000
Trim Level: Touch
Gearbox: Automatic PRND
DPF: No
LHD or RHD: RHD (UK)

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Hi all in need of a little help please.
We have a lovely little C3 sx auto 1.4 petrol. It drives great non of the brakes are resisting the wheels when driving and there are no issue codes when plugged up for analysis. But this car is only giving us about 22mpg it has achived 270miles per full tank of fuel. Can anyone help out here please you may have come across this problem before.

It has a new air filter engine oil plus filter i did notice when I took off the air filter box there was a black component that is part of the auto gear box that has a a electrical two male prongs on it without any electrical cable attached.
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My Name: Arfur Dent

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Posts: 3547
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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Hello morgan6603
morgan6603 wrote:there was a black component that is part of the auto gear box that has a a electrical two male prongs on it without any electrical cable attached.
There are a couple of plugs that have no homes on the various models of the C3, so I wouldn't worry to much there.
morgan6603 wrote:there are no issue codes when plugged up for analysis.
What did you use to read the codes?
morgan6603 wrote:We have a lovely little C3 sx auto 1.4 petrol. It drives great
Does it accelerate rapidly, as you would expect, all through the gears?

Any odd smells, hunting from the exhaust at idle, strange noises?
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My Name: morgan6603

Contributor
Posts: 10
Joined: Fri Jul 15, 2016 5:18 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4
Fuel Type: Petrol
Mileage: 80000
Trim Level: Touch
Gearbox: Automatic PRND
DPF: No
LHD or RHD: RHD (UK)

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It does lol better gear change
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My Name: C3driver52

Guru
Posts: 2013
Joined: Sat Apr 30, 2011 7:40 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 79984
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
Has thanked: 146 times
Been thanked: 78 times

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it is hunting a little when ticking over there I no odd smells of fuel running to rich or any smells of oil burning and it is not using up oil. my mate put it on a little unversal code reader yellow in colour thats all I now and he said there were no codes showing with ignition on nd when we started it the were no issues on the idle test ?????
sorry last thing there is a lul when it changes gear so my mrs drives it in S mode
no strange noises
I am not surprised the fuel consumption gets worse in 'S' or sports mode, the gear change is later and revs are higher.

I don't know the official consumption figures in 'S' but it would be worth checking that you are 'out of spec.' before trying to diagnose something that is not there.
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